81653210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1993}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 156345552

約数和(自身を除く): 74692342

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 1205, 1993, 2410, 3986, 4097, 8194, 9965, 19930, 20485, 33881, 40970, 67762, 169405, 338810, 480313, 960626, 2401565, 4803130, 8165321, 16330642, 40826605, 81653210]

約数ペア:

[(1, 81653210), (2, 40826605), (5, 16330642), (10, 8165321), (17, 4803130), (34, 2401565), (85, 960626), (170, 480313), (241, 338810), (482, 169405), (1205, 67762), (1993, 40970), (2410, 33881), (3986, 20485), (4097, 19930), (8194, 9965)]