646377368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{11239}}^1$

素因数の和:11344

約数の個数: 64

約数和(自身を含む): 1510656000

約数和(自身を除く): 864278632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 553, 632, 728, 1027, 1106, 2054, 2212, 4108, 4424, 7189, 8216, 11239, 14378, 22478, 28756, 44956, 57512, 78673, 89912, 146107, 157346, 292214, 314692, 584428, 629384, 887881, 1022749, 1168856, 1775762, 2045498, 3551524, 4090996, 6215167, 7103048, 8181992, 11542453, 12430334, 23084906, 24860668, 46169812, 49721336, 80797171, 92339624, 161594342, 323188684, 646377368]

約数ペア:

[(1, 646377368), (2, 323188684), (4, 161594342), (7, 92339624), (8, 80797171), (13, 49721336), (14, 46169812), (26, 24860668), (28, 23084906), (52, 12430334), (56, 11542453), (79, 8181992), (91, 7103048), (104, 6215167), (158, 4090996), (182, 3551524), (316, 2045498), (364, 1775762), (553, 1168856), (632, 1022749), (728, 887881), (1027, 629384), (1106, 584428), (2054, 314692), (2212, 292214), (4108, 157346), (4424, 146107), (7189, 89912), (8216, 78673), (11239, 57512), (14378, 44956), (22478, 28756)]