8166990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 21643776

約数和(自身を除く): 13476786

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, 487, 559, 645, 974, 1118, 1290, 1461, 1677, 2435, 2795, 2922, 3354, 4870, 5590, 6331, 7305, 8385, 12662, 14610, 16770, 18993, 20941, 31655, 37986, 41882, 62823, 63310, 94965, 104705, 125646, 189930, 209410, 272233, 314115, 544466, 628230, 816699, 1361165, 1633398, 2722330, 4083495, 8166990]

約数ペア:

[(1, 8166990), (2, 4083495), (3, 2722330), (5, 1633398), (6, 1361165), (10, 816699), (13, 628230), (15, 544466), (26, 314115), (30, 272233), (39, 209410), (43, 189930), (65, 125646), (78, 104705), (86, 94965), (129, 63310), (130, 62823), (195, 41882), (215, 37986), (258, 31655), (390, 20941), (430, 18993), (487, 16770), (559, 14610), (645, 12662), (974, 8385), (1118, 7305), (1290, 6331), (1461, 5590), (1677, 4870), (2435, 3354), (2795, 2922)]