289866928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{4481}}^1$

素因数の和:4813

約数の個数: 40

約数和(自身を含む): 606898656

約数和(自身を除く): 317031728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 622, 1244, 2488, 4043, 4481, 4976, 8086, 8962, 16172, 17924, 32344, 35848, 58253, 64688, 71696, 116506, 233012, 466024, 932048, 1393591, 2787182, 5574364, 11148728, 18116683, 22297456, 36233366, 72466732, 144933464, 289866928]

約数ペア:

[(1, 289866928), (2, 144933464), (4, 72466732), (8, 36233366), (13, 22297456), (16, 18116683), (26, 11148728), (52, 5574364), (104, 2787182), (208, 1393591), (311, 932048), (622, 466024), (1244, 233012), (2488, 116506), (4043, 71696), (4481, 64688), (4976, 58253), (8086, 35848), (8962, 32344), (16172, 17924)]