71397256

素因数分解:

$2^3\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1297}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 153267840

約数和(自身を除く): 81870584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 983, 1297, 1966, 2594, 3932, 5188, 6881, 7864, 9079, 10376, 13762, 18158, 27524, 36316, 55048, 72632, 1274951, 2549902, 5099804, 8924657, 10199608, 17849314, 35698628, 71397256]

約数ペア:

[(1, 71397256), (2, 35698628), (4, 17849314), (7, 10199608), (8, 8924657), (14, 5099804), (28, 2549902), (56, 1274951), (983, 72632), (1297, 55048), (1966, 36316), (2594, 27524), (3932, 18158), (5188, 13762), (6881, 10376), (7864, 9079)]