13890415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 21035520

約数和(自身を除く): 7145105

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 331, 385, 545, 763, 1199, 1655, 2317, 3641, 3815, 5995, 8393, 11585, 18205, 25487, 36079, 41965, 127435, 180395, 252553, 396869, 1262765, 1984345, 2778083, 13890415]

約数ペア:

[(1, 13890415), (5, 2778083), (7, 1984345), (11, 1262765), (35, 396869), (55, 252553), (77, 180395), (109, 127435), (331, 41965), (385, 36079), (545, 25487), (763, 18205), (1199, 11585), (1655, 8393), (2317, 5995), (3641, 3815)]