31917808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 67058208

約数和(自身を除く): 35140400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 692, 887, 1384, 1774, 2249, 2768, 3548, 4498, 7096, 8996, 11531, 14192, 17992, 23062, 35984, 46124, 92248, 153451, 184496, 306902, 613804, 1227608, 1994863, 2455216, 3989726, 7979452, 15958904, 31917808]

約数ペア:

[(1, 31917808), (2, 15958904), (4, 7979452), (8, 3989726), (13, 2455216), (16, 1994863), (26, 1227608), (52, 613804), (104, 306902), (173, 184496), (208, 153451), (346, 92248), (692, 46124), (887, 35984), (1384, 23062), (1774, 17992), (2249, 14192), (2768, 11531), (3548, 8996), (4498, 7096)]