31421168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 64839600

約数和(自身を除く): 33418432

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 331, 349, 662, 698, 1324, 1396, 2648, 2792, 5296, 5584, 5627, 5933, 11254, 11866, 22508, 23732, 45016, 47464, 90032, 94928, 115519, 231038, 462076, 924152, 1848304, 1963823, 3927646, 7855292, 15710584, 31421168]

約数ペア:

[(1, 31421168), (2, 15710584), (4, 7855292), (8, 3927646), (16, 1963823), (17, 1848304), (34, 924152), (68, 462076), (136, 231038), (272, 115519), (331, 94928), (349, 90032), (662, 47464), (698, 45016), (1324, 23732), (1396, 22508), (2648, 11866), (2792, 11254), (5296, 5933), (5584, 5627)]