288776253

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 406425600

約数和(自身を除く): 117649347

約数列:

[1, 3, 31, 89, 93, 139, 251, 267, 417, 753, 2759, 4309, 7781, 8277, 12371, 12927, 22339, 23343, 34889, 37113, 67017, 104667, 383501, 692509, 1081559, 1150503, 2077527, 3105121, 3244677, 9315363, 96258751, 288776253]

約数ペア:

[(1, 288776253), (3, 96258751), (31, 9315363), (89, 3244677), (93, 3105121), (139, 2077527), (251, 1150503), (267, 1081559), (417, 692509), (753, 383501), (2759, 104667), (4309, 67017), (7781, 37113), (8277, 34889), (12371, 23343), (12927, 22339)]