31007816

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 69273600

約数和(自身を除く): 38265784

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 79, 86, 158, 163, 172, 301, 316, 326, 344, 553, 602, 632, 652, 1106, 1141, 1204, 1304, 2212, 2282, 2408, 3397, 4424, 4564, 6794, 7009, 9128, 12877, 13588, 14018, 23779, 25754, 27176, 28036, 47558, 49063, 51508, 56072, 90139, 95116, 98126, 103016, 180278, 190232, 196252, 360556, 392504, 553711, 721112, 1107422, 2214844, 3875977, 4429688, 7751954, 15503908, 31007816]

約数ペア:

[(1, 31007816), (2, 15503908), (4, 7751954), (7, 4429688), (8, 3875977), (14, 2214844), (28, 1107422), (43, 721112), (56, 553711), (79, 392504), (86, 360556), (158, 196252), (163, 190232), (172, 180278), (301, 103016), (316, 98126), (326, 95116), (344, 90139), (553, 56072), (602, 51508), (632, 49063), (652, 47558), (1106, 28036), (1141, 27176), (1204, 25754), (1304, 23779), (2212, 14018), (2282, 13588), (2408, 12877), (3397, 9128), (4424, 7009), (4564, 6794)]