978097736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 2350080000

約数和(自身を除く): 1371982264

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 101, 154, 158, 199, 202, 308, 316, 398, 404, 553, 616, 632, 707, 796, 808, 869, 1106, 1111, 1393, 1414, 1592, 1738, 2189, 2212, 2222, 2786, 2828, 3476, 4378, 4424, 4444, 5572, 5656, 6083, 6952, 7777, 7979, 8756, 8888, 11144, 12166, 15323, 15554, 15721, 15958, 17512, 20099, 24332, 30646, 31108, 31442, 31916, 40198, 48664, 55853, 61292, 62216, 62884, 63832, 80396, 87769, 110047, 111706, 122584, 125768, 140693, 160792, 172931, 175538, 220094, 221089, 223412, 281386, 345862, 351076, 440188, 442178, 446824, 562772, 614383, 691724, 702152, 880376, 884356, 1125544, 1210517, 1228766, 1383448, 1547623, 1587821, 1768712, 2421034, 2457532, 3095246, 3175642, 4842068, 4915064, 6190492, 6351284, 9684136, 11114747, 12380984, 12702568, 17466031, 22229494, 34932062, 44458988, 69864124, 88917976, 122262217, 139728248, 244524434, 489048868, 978097736]

約数ペア:

[(1, 978097736), (2, 489048868), (4, 244524434), (7, 139728248), (8, 122262217), (11, 88917976), (14, 69864124), (22, 44458988), (28, 34932062), (44, 22229494), (56, 17466031), (77, 12702568), (79, 12380984), (88, 11114747), (101, 9684136), (154, 6351284), (158, 6190492), (199, 4915064), (202, 4842068), (308, 3175642), (316, 3095246), (398, 2457532), (404, 2421034), (553, 1768712), (616, 1587821), (632, 1547623), (707, 1383448), (796, 1228766), (808, 1210517), (869, 1125544), (1106, 884356), (1111, 880376), (1393, 702152), (1414, 691724), (1592, 614383), (1738, 562772), (2189, 446824), (2212, 442178), (2222, 440188), (2786, 351076), (2828, 345862), (3476, 281386), (4378, 223412), (4424, 221089), (4444, 220094), (5572, 175538), (5656, 172931), (6083, 160792), (6952, 140693), (7777, 125768), (7979, 122584), (8756, 111706), (8888, 110047), (11144, 87769), (12166, 80396), (15323, 63832), (15554, 62884), (15721, 62216), (15958, 61292), (17512, 55853), (20099, 48664), (24332, 40198), (30646, 31916), (31108, 31442)]