77873172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 216437760

約数和(自身を除く): 138564588

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 47, 52, 57, 76, 78, 86, 94, 114, 129, 141, 156, 169, 172, 188, 228, 247, 258, 282, 338, 494, 507, 516, 559, 564, 611, 676, 741, 817, 893, 988, 1014, 1118, 1222, 1482, 1634, 1677, 1786, 1833, 2021, 2028, 2236, 2444, 2451, 2679, 2964, 3211, 3268, 3354, 3572, 3666, 4042, 4902, 5358, 6063, 6422, 6708, 7267, 7332, 7943, 8084, 9633, 9804, 10621, 10716, 11609, 12126, 12844, 14534, 15886, 19266, 21242, 21801, 23218, 23829, 24252, 26273, 29068, 31772, 31863, 34827, 38399, 38532, 42484, 43602, 46436, 47658, 52546, 63726, 69654, 76798, 78819, 87204, 95316, 105092, 115197, 127452, 138073, 139308, 150917, 153596, 157638, 230394, 276146, 301834, 315276, 341549, 414219, 452751, 460788, 499187, 552292, 603668, 683098, 828438, 905502, 998374, 1024647, 1366196, 1497561, 1656876, 1811004, 1996748, 2049294, 2995122, 4098588, 5990244, 6489431, 12978862, 19468293, 25957724, 38936586, 77873172]

約数ペア:

[(1, 77873172), (2, 38936586), (3, 25957724), (4, 19468293), (6, 12978862), (12, 6489431), (13, 5990244), (19, 4098588), (26, 2995122), (38, 2049294), (39, 1996748), (43, 1811004), (47, 1656876), (52, 1497561), (57, 1366196), (76, 1024647), (78, 998374), (86, 905502), (94, 828438), (114, 683098), (129, 603668), (141, 552292), (156, 499187), (169, 460788), (172, 452751), (188, 414219), (228, 341549), (247, 315276), (258, 301834), (282, 276146), (338, 230394), (494, 157638), (507, 153596), (516, 150917), (559, 139308), (564, 138073), (611, 127452), (676, 115197), (741, 105092), (817, 95316), (893, 87204), (988, 78819), (1014, 76798), (1118, 69654), (1222, 63726), (1482, 52546), (1634, 47658), (1677, 46436), (1786, 43602), (1833, 42484), (2021, 38532), (2028, 38399), (2236, 34827), (2444, 31863), (2451, 31772), (2679, 29068), (2964, 26273), (3211, 24252), (3268, 23829), (3354, 23218), (3572, 21801), (3666, 21242), (4042, 19266), (4902, 15886), (5358, 14534), (6063, 12844), (6422, 12126), (6708, 11609), (7267, 10716), (7332, 10621), (7943, 9804), (8084, 9633)]