7663890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 20313216

約数和(自身を除く): 12649326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 457, 559, 645, 914, 1118, 1290, 1371, 1677, 2285, 2742, 2795, 3354, 4570, 5590, 5941, 6855, 8385, 11882, 13710, 16770, 17823, 19651, 29705, 35646, 39302, 58953, 59410, 89115, 98255, 117906, 178230, 196510, 255463, 294765, 510926, 589530, 766389, 1277315, 1532778, 2554630, 3831945, 7663890]

約数ペア:

[(1, 7663890), (2, 3831945), (3, 2554630), (5, 1532778), (6, 1277315), (10, 766389), (13, 589530), (15, 510926), (26, 294765), (30, 255463), (39, 196510), (43, 178230), (65, 117906), (78, 98255), (86, 89115), (129, 59410), (130, 58953), (195, 39302), (215, 35646), (258, 29705), (390, 19651), (430, 17823), (457, 16770), (559, 13710), (645, 11882), (914, 8385), (1118, 6855), (1290, 5941), (1371, 5590), (1677, 4570), (2285, 3354), (2742, 2795)]