641779356

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 1580040000

約数和(自身を除く): 938260644

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 89, 109, 111, 148, 149, 178, 218, 222, 267, 298, 327, 356, 436, 444, 447, 534, 596, 654, 894, 1068, 1308, 1788, 3293, 4033, 5513, 6586, 8066, 9701, 9879, 11026, 12099, 13172, 13261, 16132, 16241, 16539, 19402, 19758, 22052, 24198, 26522, 29103, 32482, 33078, 38804, 39516, 39783, 48396, 48723, 53044, 58206, 64964, 66156, 79566, 97446, 116412, 159132, 194892, 358937, 490657, 600917, 717874, 981314, 1076811, 1201834, 1435748, 1445449, 1471971, 1802751, 1962628, 2153622, 2403668, 2890898, 2943942, 3605502, 4307244, 4336347, 5781796, 5887884, 7211004, 8672694, 17345388, 53481613, 106963226, 160444839, 213926452, 320889678, 641779356]

約数ペア:

[(1, 641779356), (2, 320889678), (3, 213926452), (4, 160444839), (6, 106963226), (12, 53481613), (37, 17345388), (74, 8672694), (89, 7211004), (109, 5887884), (111, 5781796), (148, 4336347), (149, 4307244), (178, 3605502), (218, 2943942), (222, 2890898), (267, 2403668), (298, 2153622), (327, 1962628), (356, 1802751), (436, 1471971), (444, 1445449), (447, 1435748), (534, 1201834), (596, 1076811), (654, 981314), (894, 717874), (1068, 600917), (1308, 490657), (1788, 358937), (3293, 194892), (4033, 159132), (5513, 116412), (6586, 97446), (8066, 79566), (9701, 66156), (9879, 64964), (11026, 58206), (12099, 53044), (13172, 48723), (13261, 48396), (16132, 39783), (16241, 39516), (16539, 38804), (19402, 33078), (19758, 32482), (22052, 29103), (24198, 26522)]