23215855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 8790161

約数列:

[1, 5, 13, 23, 53, 65, 115, 265, 293, 299, 689, 1219, 1465, 1495, 3445, 3809, 6095, 6739, 15529, 15847, 19045, 33695, 77645, 79235, 87607, 201877, 357167, 438035, 1009385, 1785835, 4643171, 23215855]

約数ペア:

[(1, 23215855), (5, 4643171), (13, 1785835), (23, 1009385), (53, 438035), (65, 357167), (115, 201877), (265, 87607), (293, 79235), (299, 77645), (689, 33695), (1219, 19045), (1465, 15847), (1495, 15529), (3445, 6739), (3809, 6095)]