397493915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 645096960

約数和(自身を除く): 247603045

約数列:

[1, 5, 7, 13, 17, 35, 59, 65, 67, 85, 91, 119, 169, 221, 295, 335, 413, 455, 469, 595, 767, 845, 871, 1003, 1105, 1139, 1183, 1547, 2065, 2345, 2873, 3835, 3953, 4355, 5015, 5369, 5695, 5915, 6097, 7021, 7735, 7973, 9971, 11323, 13039, 14365, 14807, 19765, 20111, 26845, 27671, 30485, 35105, 39865, 49855, 51389, 56615, 65195, 67201, 69797, 74035, 79261, 91273, 100555, 103649, 138355, 169507, 192491, 256945, 336005, 348985, 359723, 396305, 456365, 470407, 518245, 668057, 847535, 873613, 962455, 1186549, 1347437, 1798615, 2352035, 3340285, 4368065, 4676399, 5932745, 6115291, 6737185, 11356969, 23381995, 30576455, 56784845, 79498783, 397493915]

約数ペア:

[(1, 397493915), (5, 79498783), (7, 56784845), (13, 30576455), (17, 23381995), (35, 11356969), (59, 6737185), (65, 6115291), (67, 5932745), (85, 4676399), (91, 4368065), (119, 3340285), (169, 2352035), (221, 1798615), (295, 1347437), (335, 1186549), (413, 962455), (455, 873613), (469, 847535), (595, 668057), (767, 518245), (845, 470407), (871, 456365), (1003, 396305), (1105, 359723), (1139, 348985), (1183, 336005), (1547, 256945), (2065, 192491), (2345, 169507), (2873, 138355), (3835, 103649), (3953, 100555), (4355, 91273), (5015, 79261), (5369, 74035), (5695, 69797), (5915, 67201), (6097, 65195), (7021, 56615), (7735, 51389), (7973, 49855), (9971, 39865), (11323, 35105), (13039, 30485), (14365, 27671), (14807, 26845), (19765, 20111)]