257300664

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{3491}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 668787840

約数和(自身を除く): 411487176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 83, 111, 148, 166, 222, 249, 296, 332, 444, 498, 664, 888, 996, 1992, 3071, 3491, 6142, 6982, 9213, 10473, 12284, 13964, 18426, 20946, 24568, 27928, 36852, 41892, 73704, 83784, 129167, 258334, 289753, 387501, 516668, 579506, 775002, 869259, 1033336, 1159012, 1550004, 1738518, 2318024, 3100008, 3477036, 6954072, 10720861, 21441722, 32162583, 42883444, 64325166, 85766888, 128650332, 257300664]

約数ペア:

[(1, 257300664), (2, 128650332), (3, 85766888), (4, 64325166), (6, 42883444), (8, 32162583), (12, 21441722), (24, 10720861), (37, 6954072), (74, 3477036), (83, 3100008), (111, 2318024), (148, 1738518), (166, 1550004), (222, 1159012), (249, 1033336), (296, 869259), (332, 775002), (444, 579506), (498, 516668), (664, 387501), (888, 289753), (996, 258334), (1992, 129167), (3071, 83784), (3491, 73704), (6142, 41892), (6982, 36852), (9213, 27928), (10473, 24568), (12284, 20946), (13964, 18426)]