74871355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 101445120

約数和(自身を除く): 26573765

約数列:

[1, 5, 13, 31, 65, 73, 155, 365, 403, 509, 949, 2015, 2263, 2545, 4745, 6617, 11315, 15779, 29419, 33085, 37157, 78895, 147095, 185785, 205127, 483041, 1025635, 1151867, 2415205, 5759335, 14974271, 74871355]

約数ペア:

[(1, 74871355), (5, 14974271), (13, 5759335), (31, 2415205), (65, 1151867), (73, 1025635), (155, 483041), (365, 205127), (403, 185785), (509, 147095), (949, 78895), (2015, 37157), (2263, 33085), (2545, 29419), (4745, 15779), (6617, 11315)]