639539656

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{7411}}^1$

素因数の和:7514

約数の個数: 64

約数和(自身を含む): 1451566080

約数和(自身を除く): 812026424

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 67, 92, 134, 161, 184, 268, 322, 469, 536, 644, 938, 1288, 1541, 1876, 3082, 3752, 6164, 7411, 10787, 12328, 14822, 21574, 29644, 43148, 51877, 59288, 86296, 103754, 170453, 207508, 340906, 415016, 496537, 681812, 993074, 1193171, 1363624, 1986148, 2386342, 3475759, 3972296, 4772684, 6951518, 9545368, 11420351, 13903036, 22840702, 27806072, 45681404, 79942457, 91362808, 159884914, 319769828, 639539656]

約数ペア:

[(1, 639539656), (2, 319769828), (4, 159884914), (7, 91362808), (8, 79942457), (14, 45681404), (23, 27806072), (28, 22840702), (46, 13903036), (56, 11420351), (67, 9545368), (92, 6951518), (134, 4772684), (161, 3972296), (184, 3475759), (268, 2386342), (322, 1986148), (469, 1363624), (536, 1193171), (644, 993074), (938, 681812), (1288, 496537), (1541, 415016), (1876, 340906), (3082, 207508), (3752, 170453), (6164, 103754), (7411, 86296), (10787, 59288), (12328, 51877), (14822, 43148), (21574, 29644)]