311115008

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 647539200

約数和(自身を除く): 336424192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 197, 199, 248, 256, 394, 398, 496, 788, 796, 992, 1576, 1592, 1984, 3152, 3184, 3968, 6107, 6169, 6304, 6368, 7936, 12214, 12338, 12608, 12736, 24428, 24676, 25216, 25472, 39203, 48856, 49352, 50432, 50944, 78406, 97712, 98704, 156812, 195424, 197408, 313624, 390848, 394816, 627248, 781696, 789632, 1215293, 1254496, 1563392, 1579264, 2430586, 2508992, 4861172, 5017984, 9722344, 10035968, 19444688, 38889376, 77778752, 155557504, 311115008]

約数ペア:

[(1, 311115008), (2, 155557504), (4, 77778752), (8, 38889376), (16, 19444688), (31, 10035968), (32, 9722344), (62, 5017984), (64, 4861172), (124, 2508992), (128, 2430586), (197, 1579264), (199, 1563392), (248, 1254496), (256, 1215293), (394, 789632), (398, 781696), (496, 627248), (788, 394816), (796, 390848), (992, 313624), (1576, 197408), (1592, 195424), (1984, 156812), (3152, 98704), (3184, 97712), (3968, 78406), (6107, 50944), (6169, 50432), (6304, 49352), (6368, 48856), (7936, 39203), (12214, 25472), (12338, 25216), (12608, 24676), (12736, 24428)]