31472848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 71941824

約数和(自身を除く): 40468976

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 67, 68, 88, 134, 136, 157, 176, 187, 268, 272, 314, 374, 536, 628, 737, 748, 1072, 1139, 1256, 1474, 1496, 1727, 2278, 2512, 2669, 2948, 2992, 3454, 4556, 5338, 5896, 6908, 9112, 10519, 10676, 11792, 12529, 13816, 18224, 21038, 21352, 25058, 27632, 29359, 42076, 42704, 50116, 58718, 84152, 100232, 115709, 117436, 168304, 178823, 200464, 231418, 234872, 357646, 462836, 469744, 715292, 925672, 1430584, 1851344, 1967053, 2861168, 3934106, 7868212, 15736424, 31472848]

約数ペア:

[(1, 31472848), (2, 15736424), (4, 7868212), (8, 3934106), (11, 2861168), (16, 1967053), (17, 1851344), (22, 1430584), (34, 925672), (44, 715292), (67, 469744), (68, 462836), (88, 357646), (134, 234872), (136, 231418), (157, 200464), (176, 178823), (187, 168304), (268, 117436), (272, 115709), (314, 100232), (374, 84152), (536, 58718), (628, 50116), (737, 42704), (748, 42076), (1072, 29359), (1139, 27632), (1256, 25058), (1474, 21352), (1496, 21038), (1727, 18224), (2278, 13816), (2512, 12529), (2669, 11792), (2948, 10676), (2992, 10519), (3454, 9112), (4556, 6908), (5338, 5896)]