31018013

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 7084387

約数列:

[1, 13, 17, 19, 83, 89, 221, 247, 323, 1079, 1157, 1411, 1513, 1577, 1691, 4199, 7387, 18343, 19669, 20501, 21983, 26809, 28747, 96031, 125579, 140353, 348517, 373711, 1632527, 1824589, 2386001, 31018013]

約数ペア:

[(1, 31018013), (13, 2386001), (17, 1824589), (19, 1632527), (83, 373711), (89, 348517), (221, 140353), (247, 125579), (323, 96031), (1079, 28747), (1157, 26809), (1411, 21983), (1513, 20501), (1577, 19669), (1691, 18343), (4199, 7387)]