1640987046

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{20857}}^1$

素因数の和:20946

約数の個数: 64

約数和(自身を含む): 3844546560

約数和(自身を除く): 2203559514

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 279, 282, 423, 558, 837, 846, 1269, 1457, 1674, 2538, 2914, 4371, 8742, 13113, 20857, 26226, 39339, 41714, 62571, 78678, 125142, 187713, 375426, 563139, 646567, 980279, 1126278, 1293134, 1939701, 1960558, 2940837, 3879402, 5819103, 5881674, 8822511, 11638206, 17457309, 17645022, 26467533, 30388649, 34914618, 52935066, 60777298, 91165947, 182331894, 273497841, 546995682, 820493523, 1640987046]

約数ペア:

[(1, 1640987046), (2, 820493523), (3, 546995682), (6, 273497841), (9, 182331894), (18, 91165947), (27, 60777298), (31, 52935066), (47, 34914618), (54, 30388649), (62, 26467533), (93, 17645022), (94, 17457309), (141, 11638206), (186, 8822511), (279, 5881674), (282, 5819103), (423, 3879402), (558, 2940837), (837, 1960558), (846, 1939701), (1269, 1293134), (1457, 1126278), (1674, 980279), (2538, 646567), (2914, 563139), (4371, 375426), (8742, 187713), (13113, 125142), (20857, 78678), (26226, 62571), (39339, 41714)]