7978672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 16873920

約数和(自身を除く): 8895248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 431, 712, 862, 1157, 1424, 1724, 2314, 3448, 4628, 5603, 6896, 9256, 11206, 18512, 22412, 38359, 44824, 76718, 89648, 153436, 306872, 498667, 613744, 997334, 1994668, 3989336, 7978672]

約数ペア:

[(1, 7978672), (2, 3989336), (4, 1994668), (8, 997334), (13, 613744), (16, 498667), (26, 306872), (52, 153436), (89, 89648), (104, 76718), (178, 44824), (208, 38359), (356, 22412), (431, 18512), (712, 11206), (862, 9256), (1157, 6896), (1424, 5603), (1724, 4628), (2314, 3448)]