15721915638

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{631859}}^1$

素因数の和:631917

約数の個数: 64

約数和(自身を含む): 38214892800

約数和(自身を除く): 22492977162

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 858, 957, 1131, 1914, 2262, 4147, 8294, 12441, 24882, 631859, 1263718, 1895577, 3791154, 6950449, 8214167, 13900898, 16428334, 18323911, 20851347, 24642501, 36647822, 41702694, 49285002, 54971733, 90355837, 109943466, 180711674, 201563021, 238210843, 271067511, 403126042, 476421686, 542135022, 604689063, 714632529, 1209378126, 1429265058, 2620319273, 5240638546, 7860957819, 15721915638]

約数ペア:

[(1, 15721915638), (2, 7860957819), (3, 5240638546), (6, 2620319273), (11, 1429265058), (13, 1209378126), (22, 714632529), (26, 604689063), (29, 542135022), (33, 476421686), (39, 403126042), (58, 271067511), (66, 238210843), (78, 201563021), (87, 180711674), (143, 109943466), (174, 90355837), (286, 54971733), (319, 49285002), (377, 41702694), (429, 36647822), (638, 24642501), (754, 20851347), (858, 18323911), (957, 16428334), (1131, 13900898), (1914, 8214167), (2262, 6950449), (4147, 3791154), (8294, 1895577), (12441, 1263718), (24882, 631859)]