284568739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 362270720

約数和(自身を除く): 77701981

約数列:

[1, 7, 13, 37, 91, 223, 259, 379, 481, 1561, 2653, 2899, 3367, 4927, 8251, 14023, 20293, 34489, 57757, 84517, 98161, 107263, 182299, 591619, 750841, 1098721, 1276093, 3127129, 7691047, 21889903, 40652677, 284568739]

約数ペア:

[(1, 284568739), (7, 40652677), (13, 21889903), (37, 7691047), (91, 3127129), (223, 1276093), (259, 1098721), (379, 750841), (481, 591619), (1561, 182299), (2653, 107263), (2899, 98161), (3367, 84517), (4927, 57757), (8251, 34489), (14023, 20293)]