31303792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 69535480

約数和(自身を除く): 38231688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 89, 104, 152, 178, 208, 247, 304, 356, 494, 712, 988, 1157, 1424, 1691, 1976, 2314, 3382, 3952, 4628, 6764, 7921, 9256, 13528, 15842, 18512, 21983, 27056, 31684, 43966, 63368, 87932, 102973, 126736, 150499, 175864, 205946, 300998, 351728, 411892, 601996, 823784, 1203992, 1647568, 1956487, 2407984, 3912974, 7825948, 15651896, 31303792]

約数ペア:

[(1, 31303792), (2, 15651896), (4, 7825948), (8, 3912974), (13, 2407984), (16, 1956487), (19, 1647568), (26, 1203992), (38, 823784), (52, 601996), (76, 411892), (89, 351728), (104, 300998), (152, 205946), (178, 175864), (208, 150499), (247, 126736), (304, 102973), (356, 87932), (494, 63368), (712, 43966), (988, 31684), (1157, 27056), (1424, 21983), (1691, 18512), (1976, 15842), (2314, 13528), (3382, 9256), (3952, 7921), (4628, 6764)]