289763992

素因数分解:

$2^3\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{3917}}^1$

素因数の和:5251

約数の個数: 32

約数和(自身を含む): 621551520

約数和(自身を除く): 331787528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1321, 2642, 3917, 5284, 7834, 9247, 10568, 15668, 18494, 27419, 31336, 36988, 54838, 73976, 109676, 219352, 5174357, 10348714, 20697428, 36220499, 41394856, 72440998, 144881996, 289763992]

約数ペア:

[(1, 289763992), (2, 144881996), (4, 72440998), (7, 41394856), (8, 36220499), (14, 20697428), (28, 10348714), (56, 5174357), (1321, 219352), (2642, 109676), (3917, 73976), (5284, 54838), (7834, 36988), (9247, 31336), (10568, 27419), (15668, 18494)]