66636556

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 138200832

約数和(自身を除く): 71564276

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 131, 148, 259, 262, 491, 518, 524, 917, 982, 1036, 1834, 1964, 3437, 3668, 4847, 6874, 9694, 13748, 18167, 19388, 33929, 36334, 64321, 67858, 72668, 127169, 128642, 135716, 254338, 257284, 450247, 508676, 900494, 1800988, 2379877, 4759754, 9519508, 16659139, 33318278, 66636556]

約数ペア:

[(1, 66636556), (2, 33318278), (4, 16659139), (7, 9519508), (14, 4759754), (28, 2379877), (37, 1800988), (74, 900494), (131, 508676), (148, 450247), (259, 257284), (262, 254338), (491, 135716), (518, 128642), (524, 127169), (917, 72668), (982, 67858), (1036, 64321), (1834, 36334), (1964, 33929), (3437, 19388), (3668, 18167), (4847, 13748), (6874, 9694)]