72261904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31583}}^1$

素因数の和:31615

約数の個数: 40

約数和(自身を含む): 164489472

約数和(自身を除く): 92227568

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 31583, 63166, 126332, 252664, 347413, 410579, 505328, 694826, 821158, 1389652, 1642316, 2779304, 3284632, 4516369, 5558608, 6569264, 9032738, 18065476, 36130952, 72261904]

約数ペア:

[(1, 72261904), (2, 36130952), (4, 18065476), (8, 9032738), (11, 6569264), (13, 5558608), (16, 4516369), (22, 3284632), (26, 2779304), (44, 1642316), (52, 1389652), (88, 821158), (104, 694826), (143, 505328), (176, 410579), (208, 347413), (286, 252664), (572, 126332), (1144, 63166), (2288, 31583)]