64573990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 134991360

約数和(自身を除く): 70417370

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 61, 65, 85, 122, 130, 170, 221, 305, 442, 479, 610, 793, 958, 1037, 1105, 1586, 2074, 2210, 2395, 3965, 4790, 5185, 6227, 7930, 8143, 10370, 12454, 13481, 16286, 26962, 29219, 31135, 40715, 58438, 62270, 67405, 81430, 105859, 134810, 146095, 211718, 292190, 379847, 496723, 529295, 759694, 993446, 1058590, 1899235, 2483615, 3798470, 4967230, 6457399, 12914798, 32286995, 64573990]

約数ペア:

[(1, 64573990), (2, 32286995), (5, 12914798), (10, 6457399), (13, 4967230), (17, 3798470), (26, 2483615), (34, 1899235), (61, 1058590), (65, 993446), (85, 759694), (122, 529295), (130, 496723), (170, 379847), (221, 292190), (305, 211718), (442, 146095), (479, 134810), (610, 105859), (793, 81430), (958, 67405), (1037, 62270), (1105, 58438), (1586, 40715), (2074, 31135), (2210, 29219), (2395, 26962), (3965, 16286), (4790, 13481), (5185, 12454), (6227, 10370), (7930, 8143)]