81200728

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6067}}^1$

素因数の和:6319

約数の個数: 32

約数和(自身を含む): 174758400

約数和(自身を除く): 93557672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1673, 1912, 3346, 6067, 6692, 12134, 13384, 24268, 42469, 48536, 84938, 169876, 339752, 1450013, 2900026, 5800052, 10150091, 11600104, 20300182, 40600364, 81200728]

約数ペア:

[(1, 81200728), (2, 40600364), (4, 20300182), (7, 11600104), (8, 10150091), (14, 5800052), (28, 2900026), (56, 1450013), (239, 339752), (478, 169876), (956, 84938), (1673, 48536), (1912, 42469), (3346, 24268), (6067, 13384), (6692, 12134)]