155157422

素因数分解:

$2^1\times 7^4\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 40

約数和(自身を含む): 275618400

約数和(自身を除く): 120460978

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 343, 409, 553, 686, 818, 1106, 2401, 2863, 3871, 4802, 5726, 7742, 20041, 27097, 32311, 40082, 54194, 64622, 140287, 189679, 226177, 280574, 379358, 452354, 982009, 1583239, 1964018, 3166478, 11082673, 22165346, 77578711, 155157422]

約数ペア:

[(1, 155157422), (2, 77578711), (7, 22165346), (14, 11082673), (49, 3166478), (79, 1964018), (98, 1583239), (158, 982009), (343, 452354), (409, 379358), (553, 280574), (686, 226177), (818, 189679), (1106, 140287), (2401, 64622), (2863, 54194), (3871, 40082), (4802, 32311), (5726, 27097), (7742, 20041)]