31228142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 53071200

約数和(自身を除く): 21843058

約数列:

[1, 2, 11, 22, 41, 82, 89, 178, 389, 451, 778, 902, 979, 1958, 3649, 4279, 7298, 8558, 15949, 31898, 34621, 40139, 69242, 80278, 175439, 350878, 380831, 761662, 1419461, 2838922, 15614071, 31228142]

約数ペア:

[(1, 31228142), (2, 15614071), (11, 2838922), (22, 1419461), (41, 761662), (82, 380831), (89, 350878), (178, 175439), (389, 80278), (451, 69242), (778, 40139), (902, 34621), (979, 31898), (1958, 15949), (3649, 8558), (4279, 7298)]