664355575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 991936512

約数和(自身を除く): 327580937

約数列:

[1, 5, 13, 23, 25, 31, 47, 61, 65, 115, 155, 235, 299, 305, 325, 403, 575, 611, 713, 775, 793, 1081, 1175, 1403, 1457, 1495, 1525, 1891, 2015, 2867, 3055, 3565, 3965, 5405, 7015, 7285, 7475, 9269, 9455, 10075, 14053, 14335, 15275, 17825, 18239, 18941, 19825, 24583, 27025, 33511, 35075, 36425, 37271, 43493, 46345, 47275, 65941, 70265, 71675, 88877, 91195, 94705, 122915, 167555, 186355, 217465, 231725, 329705, 351325, 435643, 444385, 455975, 473525, 565409, 614575, 837775, 857233, 931775, 1087325, 1155401, 1648525, 2044171, 2178215, 2221925, 2827045, 4286165, 5777005, 10220855, 10891075, 14135225, 21430825, 26574223, 28885025, 51104275, 132871115, 664355575]

約数ペア:

[(1, 664355575), (5, 132871115), (13, 51104275), (23, 28885025), (25, 26574223), (31, 21430825), (47, 14135225), (61, 10891075), (65, 10220855), (115, 5777005), (155, 4286165), (235, 2827045), (299, 2221925), (305, 2178215), (325, 2044171), (403, 1648525), (575, 1155401), (611, 1087325), (713, 931775), (775, 857233), (793, 837775), (1081, 614575), (1175, 565409), (1403, 473525), (1457, 455975), (1495, 444385), (1525, 435643), (1891, 351325), (2015, 329705), (2867, 231725), (3055, 217465), (3565, 186355), (3965, 167555), (5405, 122915), (7015, 94705), (7285, 91195), (7475, 88877), (9269, 71675), (9455, 70265), (10075, 65941), (14053, 47275), (14335, 46345), (15275, 43493), (17825, 37271), (18239, 36425), (18941, 35075), (19825, 33511), (24583, 27025)]