31920152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 72835200

約数和(自身を除く): 40915048

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 748, 836, 1123, 1292, 1496, 1672, 2246, 2584, 3553, 4492, 7106, 8984, 12353, 14212, 19091, 21337, 24706, 28424, 38182, 42674, 49412, 76364, 85348, 98824, 152728, 170696, 210001, 234707, 362729, 420002, 469414, 725458, 840004, 938828, 1450916, 1680008, 1877656, 2901832, 3990019, 7980038, 15960076, 31920152]

約数ペア:

[(1, 31920152), (2, 15960076), (4, 7980038), (8, 3990019), (11, 2901832), (17, 1877656), (19, 1680008), (22, 1450916), (34, 938828), (38, 840004), (44, 725458), (68, 469414), (76, 420002), (88, 362729), (136, 234707), (152, 210001), (187, 170696), (209, 152728), (323, 98824), (374, 85348), (418, 76364), (646, 49412), (748, 42674), (836, 38182), (1123, 28424), (1292, 24706), (1496, 21337), (1672, 19091), (2246, 14212), (2584, 12353), (3553, 8984), (4492, 7106)]