285181325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 418431552

約数和(自身を除く): 133250227

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 241, 275, 325, 331, 715, 1205, 1655, 2651, 3133, 3575, 3641, 4303, 6025, 8275, 13255, 15665, 18205, 21515, 34463, 47333, 66275, 78325, 79771, 91025, 107575, 172315, 236665, 398855, 861575, 877481, 1037023, 1183325, 1994275, 4387405, 5185115, 11407253, 21937025, 25925575, 57036265, 285181325]

約数ペア:

[(1, 285181325), (5, 57036265), (11, 25925575), (13, 21937025), (25, 11407253), (55, 5185115), (65, 4387405), (143, 1994275), (241, 1183325), (275, 1037023), (325, 877481), (331, 861575), (715, 398855), (1205, 236665), (1655, 172315), (2651, 107575), (3133, 91025), (3575, 79771), (3641, 78325), (4303, 66275), (6025, 47333), (8275, 34463), (13255, 21515), (15665, 18205)]