281845304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87421}}^1$

素因数の和:87471

約数の個数: 32

約数和(自身を含む): 587475840

約数和(自身を除く): 305630536

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 87421, 174842, 349684, 699368, 1136473, 2272946, 2710051, 4545892, 5420102, 9091784, 10840204, 21680408, 35230663, 70461326, 140922652, 281845304]

約数ペア:

[(1, 281845304), (2, 140922652), (4, 70461326), (8, 35230663), (13, 21680408), (26, 10840204), (31, 9091784), (52, 5420102), (62, 4545892), (104, 2710051), (124, 2272946), (248, 1136473), (403, 699368), (806, 349684), (1612, 174842), (3224, 87421)]