278330295

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 460214784

約数和(自身を除く): 181884489

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 795, 1065, 3763, 4931, 11289, 14793, 18815, 24655, 56445, 73965, 261343, 350101, 784029, 1050303, 1306715, 1750505, 3920145, 5251515, 18555353, 55666059, 92776765, 278330295]

約数ペア:

[(1, 278330295), (3, 92776765), (5, 55666059), (15, 18555353), (53, 5251515), (71, 3920145), (159, 1750505), (213, 1306715), (265, 1050303), (355, 784029), (795, 350101), (1065, 261343), (3763, 73965), (4931, 56445), (11289, 24655), (14793, 18815)]