251256551696

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1\times {\mathrm{3823}}^1$

素因数の和:4776

約数の個数: 80

約数和(自身を含む): 506988979200

約数和(自身を除く): 255732427504

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 197, 232, 394, 464, 719, 788, 1438, 1576, 2876, 3152, 3823, 5713, 5752, 7646, 11426, 11504, 15292, 20851, 22852, 30584, 41702, 45704, 61168, 83404, 91408, 110867, 141643, 166808, 221734, 283286, 333616, 443468, 566572, 753131, 886936, 1133144, 1506262, 1773872, 2266288, 2748737, 3012524, 4107647, 5497474, 6025048, 8215294, 10994948, 12050096, 16430588, 21840799, 21989896, 32861176, 43681598, 43979792, 65722352, 79713373, 87363196, 159426746, 174726392, 318853492, 349452784, 541501189, 637706984, 1083002378, 1275413968, 2166004756, 4332009512, 8664019024, 15703534481, 31407068962, 62814137924, 125628275848, 251256551696]

約数ペア:

[(1, 251256551696), (2, 125628275848), (4, 62814137924), (8, 31407068962), (16, 15703534481), (29, 8664019024), (58, 4332009512), (116, 2166004756), (197, 1275413968), (232, 1083002378), (394, 637706984), (464, 541501189), (719, 349452784), (788, 318853492), (1438, 174726392), (1576, 159426746), (2876, 87363196), (3152, 79713373), (3823, 65722352), (5713, 43979792), (5752, 43681598), (7646, 32861176), (11426, 21989896), (11504, 21840799), (15292, 16430588), (20851, 12050096), (22852, 10994948), (30584, 8215294), (41702, 6025048), (45704, 5497474), (61168, 4107647), (83404, 3012524), (91408, 2748737), (110867, 2266288), (141643, 1773872), (166808, 1506262), (221734, 1133144), (283286, 886936), (333616, 753131), (443468, 566572)]