664200472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2140

約数の個数: 64

約数和(自身を含む): 1428023520

約数和(自身を除く): 763823048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 197, 221, 394, 442, 788, 884, 1576, 1768, 1907, 2561, 3349, 3814, 5122, 6698, 7628, 10244, 13396, 15256, 20488, 24791, 26792, 32419, 43537, 49582, 64838, 87074, 99164, 129676, 174148, 198328, 259352, 348296, 375679, 421447, 751358, 842894, 1502716, 1685788, 3005432, 3371576, 4883827, 6386543, 9767654, 12773086, 19535308, 25546172, 39070616, 51092344, 83025059, 166050118, 332100236, 664200472]

約数ペア:

[(1, 664200472), (2, 332100236), (4, 166050118), (8, 83025059), (13, 51092344), (17, 39070616), (26, 25546172), (34, 19535308), (52, 12773086), (68, 9767654), (104, 6386543), (136, 4883827), (197, 3371576), (221, 3005432), (394, 1685788), (442, 1502716), (788, 842894), (884, 751358), (1576, 421447), (1768, 375679), (1907, 348296), (2561, 259352), (3349, 198328), (3814, 174148), (5122, 129676), (6698, 99164), (7628, 87074), (10244, 64838), (13396, 49582), (15256, 43537), (20488, 32419), (24791, 26792)]