31639322

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 57312360

約数和(自身を除く): 25673038

約数列:

[1, 2, 11, 13, 22, 26, 89, 113, 121, 143, 178, 226, 242, 286, 979, 1157, 1243, 1469, 1573, 1958, 2314, 2486, 2938, 3146, 10057, 10769, 12727, 13673, 16159, 20114, 21538, 25454, 27346, 32318, 110627, 130741, 139997, 177749, 221254, 261482, 279994, 355498, 1216897, 1438151, 2433794, 2876302, 15819661, 31639322]

約数ペア:

[(1, 31639322), (2, 15819661), (11, 2876302), (13, 2433794), (22, 1438151), (26, 1216897), (89, 355498), (113, 279994), (121, 261482), (143, 221254), (178, 177749), (226, 139997), (242, 130741), (286, 110627), (979, 32318), (1157, 27346), (1243, 25454), (1469, 21538), (1573, 20114), (1958, 16159), (2314, 13673), (2486, 12727), (2938, 10769), (3146, 10057)]