31581216

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2138

約数の個数: 72

約数和(自身を含む): 91547820

約数和(自身を除く): 59966604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2069, 2544, 3816, 4138, 5088, 6207, 7632, 8276, 12414, 15264, 16552, 18621, 24828, 33104, 37242, 49656, 66208, 74484, 99312, 109657, 148968, 198624, 219314, 297936, 328971, 438628, 595872, 657942, 877256, 986913, 1315884, 1754512, 1973826, 2631768, 3509024, 3947652, 5263536, 7895304, 10527072, 15790608, 31581216]

約数ペア:

[(1, 31581216), (2, 15790608), (3, 10527072), (4, 7895304), (6, 5263536), (8, 3947652), (9, 3509024), (12, 2631768), (16, 1973826), (18, 1754512), (24, 1315884), (32, 986913), (36, 877256), (48, 657942), (53, 595872), (72, 438628), (96, 328971), (106, 297936), (144, 219314), (159, 198624), (212, 148968), (288, 109657), (318, 99312), (424, 74484), (477, 66208), (636, 49656), (848, 37242), (954, 33104), (1272, 24828), (1696, 18621), (1908, 16552), (2069, 15264), (2544, 12414), (3816, 8276), (4138, 7632), (5088, 6207)]