90121465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 132606720

約数和(自身を除く): 42485255

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 1007, 1855, 2557, 5035, 7049, 12785, 17899, 35245, 48583, 89495, 135521, 242915, 340081, 677605, 948647, 1700405, 2574899, 4743235, 12874495, 18024293, 90121465]

約数ペア:

[(1, 90121465), (5, 18024293), (7, 12874495), (19, 4743235), (35, 2574899), (53, 1700405), (95, 948647), (133, 677605), (265, 340081), (371, 242915), (665, 135521), (1007, 89495), (1855, 48583), (2557, 35245), (5035, 17899), (7049, 12785)]