30788172

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{19889}}^1$

素因数の和:19942

約数の個数: 36

約数和(自身を含む): 79639560

約数和(自身を除く): 48851388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 19889, 39778, 59667, 79556, 119334, 179001, 238668, 358002, 716004, 855227, 1710454, 2565681, 3420908, 5131362, 7697043, 10262724, 15394086, 30788172]

約数ペア:

[(1, 30788172), (2, 15394086), (3, 10262724), (4, 7697043), (6, 5131362), (9, 3420908), (12, 2565681), (18, 1710454), (36, 855227), (43, 716004), (86, 358002), (129, 238668), (172, 179001), (258, 119334), (387, 79556), (516, 59667), (774, 39778), (1548, 19889)]