2720578

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 5318784

約数和(自身を除く): 2598206

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 71, 98, 119, 142, 161, 238, 322, 391, 497, 782, 833, 994, 1127, 1207, 1633, 1666, 2254, 2414, 2737, 3266, 3479, 5474, 6958, 8449, 11431, 16898, 19159, 22862, 27761, 38318, 55522, 59143, 80017, 118286, 160034, 194327, 388654, 1360289, 2720578]

約数ペア:

[(1, 2720578), (2, 1360289), (7, 388654), (14, 194327), (17, 160034), (23, 118286), (34, 80017), (46, 59143), (49, 55522), (71, 38318), (98, 27761), (119, 22862), (142, 19159), (161, 16898), (238, 11431), (322, 8449), (391, 6958), (497, 5474), (782, 3479), (833, 3266), (994, 2737), (1127, 2414), (1207, 2254), (1633, 1666)]