201971945

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 286868736

約数和(自身を除く): 84896791

約数列:

[1, 5, 7, 35, 41, 97, 205, 287, 485, 679, 1435, 1451, 3395, 3977, 7255, 10157, 19885, 27839, 50785, 59491, 139195, 140747, 297455, 416437, 703735, 985229, 2082185, 4926145, 5770627, 28853135, 40394389, 201971945]

約数ペア:

[(1, 201971945), (5, 40394389), (7, 28853135), (35, 5770627), (41, 4926145), (97, 2082185), (205, 985229), (287, 703735), (485, 416437), (679, 297455), (1435, 140747), (1451, 139195), (3395, 59491), (3977, 50785), (7255, 27839), (10157, 19885)]