161204316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21089}}^1$

素因数の和:21123

約数の個数: 72

約数和(自身を含む): 471234960

約数和(自身を除く): 310030644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 21089, 42178, 63267, 84356, 126534, 147623, 253068, 274157, 295246, 442869, 548314, 590492, 822471, 885738, 1033361, 1096628, 1644942, 1771476, 1919099, 2066722, 3100083, 3289884, 3838198, 4133444, 5757297, 6200166, 7676396, 11514594, 12400332, 13433693, 23029188, 26867386, 40301079, 53734772, 80602158, 161204316]

約数ペア:

[(1, 161204316), (2, 80602158), (3, 53734772), (4, 40301079), (6, 26867386), (7, 23029188), (12, 13433693), (13, 12400332), (14, 11514594), (21, 7676396), (26, 6200166), (28, 5757297), (39, 4133444), (42, 3838198), (49, 3289884), (52, 3100083), (78, 2066722), (84, 1919099), (91, 1771476), (98, 1644942), (147, 1096628), (156, 1033361), (182, 885738), (196, 822471), (273, 590492), (294, 548314), (364, 442869), (546, 295246), (588, 274157), (637, 253068), (1092, 147623), (1274, 126534), (1911, 84356), (2548, 63267), (3822, 42178), (7644, 21089)]