250857776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1217}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 524383104

約数和(自身を除く): 273525328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 991, 1217, 1982, 2434, 3964, 4868, 7928, 9736, 12883, 15821, 15856, 19472, 25766, 31642, 51532, 63284, 103064, 126568, 206128, 253136, 1206047, 2412094, 4824188, 9648376, 15678611, 19296752, 31357222, 62714444, 125428888, 250857776]

約数ペア:

[(1, 250857776), (2, 125428888), (4, 62714444), (8, 31357222), (13, 19296752), (16, 15678611), (26, 9648376), (52, 4824188), (104, 2412094), (208, 1206047), (991, 253136), (1217, 206128), (1982, 126568), (2434, 103064), (3964, 63284), (4868, 51532), (7928, 31642), (9736, 25766), (12883, 19472), (15821, 15856)]