31186908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 84324240

約数和(自身を除く): 53137332

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 262, 306, 389, 393, 524, 612, 778, 786, 1167, 1179, 1556, 1572, 2227, 2334, 2358, 3501, 4454, 4668, 4716, 6613, 6681, 7002, 8908, 13226, 13362, 14004, 19839, 20043, 26452, 26724, 39678, 40086, 50959, 59517, 79356, 80172, 101918, 119034, 152877, 203836, 238068, 305754, 458631, 611508, 866303, 917262, 1732606, 1834524, 2598909, 3465212, 5197818, 7796727, 10395636, 15593454, 31186908]

約数ペア:

[(1, 31186908), (2, 15593454), (3, 10395636), (4, 7796727), (6, 5197818), (9, 3465212), (12, 2598909), (17, 1834524), (18, 1732606), (34, 917262), (36, 866303), (51, 611508), (68, 458631), (102, 305754), (131, 238068), (153, 203836), (204, 152877), (262, 119034), (306, 101918), (389, 80172), (393, 79356), (524, 59517), (612, 50959), (778, 40086), (786, 39678), (1167, 26724), (1179, 26452), (1556, 20043), (1572, 19839), (2227, 14004), (2334, 13362), (2358, 13226), (3501, 8908), (4454, 7002), (4668, 6681), (4716, 6613)]