77778752

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:439

約数の個数: 56

約数和(自身を含む): 160934400

約数和(自身を除く): 83155648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 197, 199, 248, 394, 398, 496, 788, 796, 992, 1576, 1592, 1984, 3152, 3184, 6107, 6169, 6304, 6368, 12214, 12338, 12608, 12736, 24428, 24676, 39203, 48856, 49352, 78406, 97712, 98704, 156812, 195424, 197408, 313624, 390848, 394816, 627248, 1215293, 1254496, 2430586, 2508992, 4861172, 9722344, 19444688, 38889376, 77778752]

約数ペア:

[(1, 77778752), (2, 38889376), (4, 19444688), (8, 9722344), (16, 4861172), (31, 2508992), (32, 2430586), (62, 1254496), (64, 1215293), (124, 627248), (197, 394816), (199, 390848), (248, 313624), (394, 197408), (398, 195424), (496, 156812), (788, 98704), (796, 97712), (992, 78406), (1576, 49352), (1592, 48856), (1984, 39203), (3152, 24676), (3184, 24428), (6107, 12736), (6169, 12608), (6304, 12338), (6368, 12214)]