81931512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 234178560

約数和(自身を除く): 152247048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 43, 52, 62, 78, 86, 93, 104, 124, 129, 156, 172, 186, 197, 248, 258, 312, 344, 372, 394, 403, 516, 559, 591, 744, 788, 806, 1032, 1118, 1182, 1209, 1333, 1576, 1612, 1677, 2236, 2364, 2418, 2561, 2666, 3224, 3354, 3999, 4472, 4728, 4836, 5122, 5332, 6107, 6708, 7683, 7998, 8471, 9672, 10244, 10664, 12214, 13416, 15366, 15996, 16942, 17329, 18321, 20488, 24428, 25413, 30732, 31992, 33884, 34658, 36642, 48856, 50826, 51987, 61464, 67768, 69316, 73284, 79391, 101652, 103974, 110123, 138632, 146568, 158782, 203304, 207948, 220246, 238173, 262601, 317564, 330369, 415896, 440492, 476346, 525202, 635128, 660738, 787803, 880984, 952692, 1050404, 1321476, 1575606, 1905384, 2100808, 2642952, 3151212, 3413813, 6302424, 6827626, 10241439, 13655252, 20482878, 27310504, 40965756, 81931512]

約数ペア:

[(1, 81931512), (2, 40965756), (3, 27310504), (4, 20482878), (6, 13655252), (8, 10241439), (12, 6827626), (13, 6302424), (24, 3413813), (26, 3151212), (31, 2642952), (39, 2100808), (43, 1905384), (52, 1575606), (62, 1321476), (78, 1050404), (86, 952692), (93, 880984), (104, 787803), (124, 660738), (129, 635128), (156, 525202), (172, 476346), (186, 440492), (197, 415896), (248, 330369), (258, 317564), (312, 262601), (344, 238173), (372, 220246), (394, 207948), (403, 203304), (516, 158782), (559, 146568), (591, 138632), (744, 110123), (788, 103974), (806, 101652), (1032, 79391), (1118, 73284), (1182, 69316), (1209, 67768), (1333, 61464), (1576, 51987), (1612, 50826), (1677, 48856), (2236, 36642), (2364, 34658), (2418, 33884), (2561, 31992), (2666, 30732), (3224, 25413), (3354, 24428), (3999, 20488), (4472, 18321), (4728, 17329), (4836, 16942), (5122, 15996), (5332, 15366), (6107, 13416), (6708, 12214), (7683, 10664), (7998, 10244), (8471, 9672)]