290471005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 389950848

約数和(自身を除く): 99479843

約数列:

[1, 5, 11, 53, 55, 251, 265, 397, 583, 1255, 1985, 2761, 2915, 4367, 13303, 13805, 21041, 21835, 66515, 99647, 105205, 146333, 231451, 498235, 731665, 1096117, 1157255, 5281291, 5480585, 26406455, 58094201, 290471005]

約数ペア:

[(1, 290471005), (5, 58094201), (11, 26406455), (53, 5480585), (55, 5281291), (251, 1157255), (265, 1096117), (397, 731665), (583, 498235), (1255, 231451), (1985, 146333), (2761, 105205), (2915, 99647), (4367, 66515), (13303, 21835), (13805, 21041)]