81983468

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 175279104

約数和(自身を除く): 93295636

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 103, 124, 131, 196, 206, 217, 262, 412, 434, 524, 721, 868, 917, 1442, 1519, 1834, 2884, 3038, 3193, 3668, 4061, 5047, 6076, 6386, 6419, 8122, 10094, 12772, 12838, 13493, 16244, 20188, 22351, 25676, 26986, 28427, 44702, 53972, 56854, 89404, 94451, 113708, 156457, 188902, 198989, 312914, 377804, 397978, 418283, 625828, 661157, 795956, 836566, 1322314, 1673132, 2644628, 2927981, 5855962, 11711924, 20495867, 40991734, 81983468]

約数ペア:

[(1, 81983468), (2, 40991734), (4, 20495867), (7, 11711924), (14, 5855962), (28, 2927981), (31, 2644628), (49, 1673132), (62, 1322314), (98, 836566), (103, 795956), (124, 661157), (131, 625828), (196, 418283), (206, 397978), (217, 377804), (262, 312914), (412, 198989), (434, 188902), (524, 156457), (721, 113708), (868, 94451), (917, 89404), (1442, 56854), (1519, 53972), (1834, 44702), (2884, 28427), (3038, 26986), (3193, 25676), (3668, 22351), (4061, 20188), (5047, 16244), (6076, 13493), (6386, 12838), (6419, 12772), (8122, 10094)]