12289475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 18213120

約数和(自身を除く): 5923645

約数列:

[1, 5, 11, 23, 25, 29, 55, 67, 115, 145, 253, 275, 319, 335, 575, 667, 725, 737, 1265, 1541, 1595, 1675, 1943, 3335, 3685, 6325, 7337, 7705, 7975, 9715, 16675, 16951, 18425, 21373, 36685, 38525, 44689, 48575, 84755, 106865, 183425, 223445, 423775, 491579, 534325, 1117225, 2457895, 12289475]

約数ペア:

[(1, 12289475), (5, 2457895), (11, 1117225), (23, 534325), (25, 491579), (29, 423775), (55, 223445), (67, 183425), (115, 106865), (145, 84755), (253, 48575), (275, 44689), (319, 38525), (335, 36685), (575, 21373), (667, 18425), (725, 16951), (737, 16675), (1265, 9715), (1541, 7975), (1595, 7705), (1675, 7337), (1943, 6325), (3335, 3685)]