13897975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 21873600

約数和(自身を除く): 7975625

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 149, 175, 205, 287, 325, 455, 533, 745, 1025, 1043, 1435, 1937, 2275, 2665, 3725, 3731, 5215, 6109, 7175, 9685, 13325, 13559, 18655, 26075, 30545, 42763, 48425, 67795, 79417, 93275, 152725, 213815, 338975, 397085, 555919, 1069075, 1985425, 2779595, 13897975]

約数ペア:

[(1, 13897975), (5, 2779595), (7, 1985425), (13, 1069075), (25, 555919), (35, 397085), (41, 338975), (65, 213815), (91, 152725), (149, 93275), (175, 79417), (205, 67795), (287, 48425), (325, 42763), (455, 30545), (533, 26075), (745, 18655), (1025, 13559), (1043, 13325), (1435, 9685), (1937, 7175), (2275, 6109), (2665, 5215), (3725, 3731)]