245687449

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 306685440

約数和(自身を除く): 60997991

約数列:

[1, 7, 23, 29, 101, 161, 203, 521, 667, 707, 2323, 2929, 3647, 4669, 11983, 15109, 16261, 20503, 52621, 67367, 83881, 105763, 347507, 368347, 471569, 1210283, 1526009, 2432549, 8471981, 10682063, 35098207, 245687449]

約数ペア:

[(1, 245687449), (7, 35098207), (23, 10682063), (29, 8471981), (101, 2432549), (161, 1526009), (203, 1210283), (521, 471569), (667, 368347), (707, 347507), (2323, 105763), (2929, 83881), (3647, 67367), (4669, 52621), (11983, 20503), (15109, 16261)]