31784390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 69050880

約数和(自身を除く): 37266490

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 739, 782, 935, 1265, 1478, 1870, 1955, 2530, 3695, 3910, 4301, 7390, 8129, 8602, 12563, 16258, 16997, 21505, 25126, 33994, 40645, 43010, 62815, 81290, 84985, 125630, 138193, 169970, 186967, 276386, 288949, 373934, 577898, 690965, 934835, 1381930, 1444745, 1869670, 2889490, 3178439, 6356878, 15892195, 31784390]

約数ペア:

[(1, 31784390), (2, 15892195), (5, 6356878), (10, 3178439), (11, 2889490), (17, 1869670), (22, 1444745), (23, 1381930), (34, 934835), (46, 690965), (55, 577898), (85, 373934), (110, 288949), (115, 276386), (170, 186967), (187, 169970), (230, 138193), (253, 125630), (374, 84985), (391, 81290), (506, 62815), (739, 43010), (782, 40645), (935, 33994), (1265, 25126), (1478, 21505), (1870, 16997), (1955, 16258), (2530, 12563), (3695, 8602), (3910, 8129), (4301, 7390)]