31371354

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 80352000

約数和(自身を除く): 48980646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 378, 447, 557, 894, 1043, 1114, 1341, 1671, 2086, 2682, 3129, 3342, 3899, 4023, 5013, 6258, 7798, 8046, 9387, 10026, 11697, 15039, 18774, 23394, 28161, 30078, 35091, 56322, 70182, 82993, 105273, 165986, 210546, 248979, 497958, 580951, 746937, 1161902, 1493874, 1742853, 2240811, 3485706, 4481622, 5228559, 10457118, 15685677, 31371354]

約数ペア:

[(1, 31371354), (2, 15685677), (3, 10457118), (6, 5228559), (7, 4481622), (9, 3485706), (14, 2240811), (18, 1742853), (21, 1493874), (27, 1161902), (42, 746937), (54, 580951), (63, 497958), (126, 248979), (149, 210546), (189, 165986), (298, 105273), (378, 82993), (447, 70182), (557, 56322), (894, 35091), (1043, 30078), (1114, 28161), (1341, 23394), (1671, 18774), (2086, 15039), (2682, 11697), (3129, 10026), (3342, 9387), (3899, 8046), (4023, 7798), (5013, 6258)]