189978152

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{260959}}^1$

素因数の和:260985

約数の個数: 32

約数和(自身を含む): 438412800

約数和(自身を除く): 248434648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 260959, 521918, 1043836, 1826713, 2087672, 3392467, 3653426, 6784934, 7306852, 13569868, 14613704, 23747269, 27139736, 47494538, 94989076, 189978152]

約数ペア:

[(1, 189978152), (2, 94989076), (4, 47494538), (7, 27139736), (8, 23747269), (13, 14613704), (14, 13569868), (26, 7306852), (28, 6784934), (52, 3653426), (56, 3392467), (91, 2087672), (104, 1826713), (182, 1043836), (364, 521918), (728, 260959)]