201877487

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 246079488

約数和(自身を除く): 44202001

約数列:

[1, 7, 31, 61, 101, 151, 217, 427, 707, 1057, 1891, 3131, 4681, 6161, 9211, 13237, 15251, 21917, 32767, 43127, 64477, 106757, 190991, 285541, 472781, 930311, 1336937, 1998787, 3309467, 6512177, 28839641, 201877487]

約数ペア:

[(1, 201877487), (7, 28839641), (31, 6512177), (61, 3309467), (101, 1998787), (151, 1336937), (217, 930311), (427, 472781), (707, 285541), (1057, 190991), (1891, 106757), (3131, 64477), (4681, 43127), (6161, 32767), (9211, 21917), (13237, 15251)]