39981292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 78109920

約数和(自身を除く): 38128628

約数列:

[1, 2, 4, 13, 26, 52, 53, 89, 106, 163, 178, 212, 326, 356, 652, 689, 1157, 1378, 2119, 2314, 2756, 4238, 4628, 4717, 8476, 8639, 9434, 14507, 17278, 18868, 29014, 34556, 58028, 61321, 112307, 122642, 188591, 224614, 245284, 377182, 449228, 754364, 768871, 1537742, 3075484, 9995323, 19990646, 39981292]

約数ペア:

[(1, 39981292), (2, 19990646), (4, 9995323), (13, 3075484), (26, 1537742), (52, 768871), (53, 754364), (89, 449228), (106, 377182), (163, 245284), (178, 224614), (212, 188591), (326, 122642), (356, 112307), (652, 61321), (689, 58028), (1157, 34556), (1378, 29014), (2119, 18868), (2314, 17278), (2756, 14507), (4238, 9434), (4628, 8639), (4717, 8476)]