639271490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7577}}^1$

素因数の和:7667

約数の個数: 64

約数和(自身を含む): 1374952320

約数和(自身を除く): 735680830

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 286, 295, 590, 649, 715, 767, 1298, 1430, 1534, 3245, 3835, 6490, 7577, 7670, 8437, 15154, 16874, 37885, 42185, 75770, 83347, 84370, 98501, 166694, 197002, 416735, 447043, 492505, 833470, 894086, 985010, 1083511, 2167022, 2235215, 4470430, 4917473, 5417555, 5811559, 9834946, 10835110, 11623118, 24587365, 29057795, 49174730, 58115590, 63927149, 127854298, 319635745, 639271490]

約数ペア:

[(1, 639271490), (2, 319635745), (5, 127854298), (10, 63927149), (11, 58115590), (13, 49174730), (22, 29057795), (26, 24587365), (55, 11623118), (59, 10835110), (65, 9834946), (110, 5811559), (118, 5417555), (130, 4917473), (143, 4470430), (286, 2235215), (295, 2167022), (590, 1083511), (649, 985010), (715, 894086), (767, 833470), (1298, 492505), (1430, 447043), (1534, 416735), (3245, 197002), (3835, 166694), (6490, 98501), (7577, 84370), (7670, 83347), (8437, 75770), (15154, 42185), (16874, 37885)]