31611568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 70281216

約数和(自身を除く): 38669648

約数列:

[1, 2, 4, 8, 16, 17, 23, 31, 34, 46, 62, 68, 92, 124, 136, 163, 184, 248, 272, 326, 368, 391, 496, 527, 652, 713, 782, 1054, 1304, 1426, 1564, 2108, 2608, 2771, 2852, 3128, 3749, 4216, 5053, 5542, 5704, 6256, 7498, 8432, 10106, 11084, 11408, 12121, 14996, 20212, 22168, 24242, 29992, 40424, 44336, 48484, 59984, 63733, 80848, 85901, 96968, 116219, 127466, 171802, 193936, 232438, 254932, 343604, 464876, 509864, 687208, 929752, 1019728, 1374416, 1859504, 1975723, 3951446, 7902892, 15805784, 31611568]

約数ペア:

[(1, 31611568), (2, 15805784), (4, 7902892), (8, 3951446), (16, 1975723), (17, 1859504), (23, 1374416), (31, 1019728), (34, 929752), (46, 687208), (62, 509864), (68, 464876), (92, 343604), (124, 254932), (136, 232438), (163, 193936), (184, 171802), (248, 127466), (272, 116219), (326, 96968), (368, 85901), (391, 80848), (496, 63733), (527, 59984), (652, 48484), (713, 44336), (782, 40424), (1054, 29992), (1304, 24242), (1426, 22168), (1564, 20212), (2108, 14996), (2608, 12121), (2771, 11408), (2852, 11084), (3128, 10106), (3749, 8432), (4216, 7498), (5053, 6256), (5542, 5704)]