636956510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 1243848960

約数和(自身を除く): 606892450

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 239, 257, 305, 478, 514, 610, 1037, 1195, 1285, 2074, 2390, 2570, 4063, 4369, 5185, 8126, 8738, 10370, 14579, 15677, 20315, 21845, 29158, 31354, 40630, 43690, 61423, 72895, 78385, 122846, 145790, 156770, 247843, 266509, 307115, 495686, 533018, 614230, 1044191, 1239215, 1332545, 2088382, 2478430, 2665090, 3746803, 5220955, 7493606, 10441910, 18734015, 37468030, 63695651, 127391302, 318478255, 636956510]

約数ペア:

[(1, 636956510), (2, 318478255), (5, 127391302), (10, 63695651), (17, 37468030), (34, 18734015), (61, 10441910), (85, 7493606), (122, 5220955), (170, 3746803), (239, 2665090), (257, 2478430), (305, 2088382), (478, 1332545), (514, 1239215), (610, 1044191), (1037, 614230), (1195, 533018), (1285, 495686), (2074, 307115), (2390, 266509), (2570, 247843), (4063, 156770), (4369, 145790), (5185, 122846), (8126, 78385), (8738, 72895), (10370, 61423), (14579, 43690), (15677, 40630), (20315, 31354), (21845, 29158)]