221646672

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 160

約数和(自身を含む): 697455360

約数和(自身を除く): 475808688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 61, 72, 78, 104, 108, 117, 122, 144, 156, 183, 208, 216, 234, 244, 312, 351, 366, 432, 468, 488, 549, 624, 647, 702, 732, 793, 936, 976, 1098, 1294, 1404, 1464, 1586, 1647, 1872, 1941, 2196, 2379, 2588, 2808, 2928, 3172, 3294, 3882, 4392, 4758, 5176, 5616, 5823, 6344, 6588, 7137, 7764, 8411, 8784, 9516, 10352, 11646, 12688, 13176, 14274, 15528, 16822, 17469, 19032, 21411, 23292, 25233, 26352, 28548, 31056, 33644, 34938, 38064, 39467, 42822, 46584, 50466, 57096, 67288, 69876, 75699, 78934, 85644, 93168, 100932, 114192, 118401, 134576, 139752, 151398, 157868, 171288, 201864, 227097, 236802, 279504, 302796, 315736, 342576, 355203, 403728, 454194, 473604, 513071, 605592, 631472, 710406, 908388, 947208, 1026142, 1065609, 1211184, 1420812, 1539213, 1816776, 1894416, 2052284, 2131218, 2841624, 3078426, 3633552, 4104568, 4262436, 4617639, 5683248, 6156852, 8209136, 8524872, 9235278, 12313704, 13852917, 17049744, 18470556, 24627408, 27705834, 36941112, 55411668, 73882224, 110823336, 221646672]

約数ペア:

[(1, 221646672), (2, 110823336), (3, 73882224), (4, 55411668), (6, 36941112), (8, 27705834), (9, 24627408), (12, 18470556), (13, 17049744), (16, 13852917), (18, 12313704), (24, 9235278), (26, 8524872), (27, 8209136), (36, 6156852), (39, 5683248), (48, 4617639), (52, 4262436), (54, 4104568), (61, 3633552), (72, 3078426), (78, 2841624), (104, 2131218), (108, 2052284), (117, 1894416), (122, 1816776), (144, 1539213), (156, 1420812), (183, 1211184), (208, 1065609), (216, 1026142), (234, 947208), (244, 908388), (312, 710406), (351, 631472), (366, 605592), (432, 513071), (468, 473604), (488, 454194), (549, 403728), (624, 355203), (647, 342576), (702, 315736), (732, 302796), (793, 279504), (936, 236802), (976, 227097), (1098, 201864), (1294, 171288), (1404, 157868), (1464, 151398), (1586, 139752), (1647, 134576), (1872, 118401), (1941, 114192), (2196, 100932), (2379, 93168), (2588, 85644), (2808, 78934), (2928, 75699), (3172, 69876), (3294, 67288), (3882, 57096), (4392, 50466), (4758, 46584), (5176, 42822), (5616, 39467), (5823, 38064), (6344, 34938), (6588, 33644), (7137, 31056), (7764, 28548), (8411, 26352), (8784, 25233), (9516, 23292), (10352, 21411), (11646, 19032), (12688, 17469), (13176, 16822), (14274, 15528)]