138977290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{7883}}^1$

素因数の和:7974

約数の個数: 32

約数和(自身を含む): 262253376

約数和(自身を除く): 123276086

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1763, 3526, 7883, 8815, 15766, 17630, 39415, 78830, 323203, 338969, 646406, 677938, 1616015, 1694845, 3232030, 3389690, 13897729, 27795458, 69488645, 138977290]

約数ペア:

[(1, 138977290), (2, 69488645), (5, 27795458), (10, 13897729), (41, 3389690), (43, 3232030), (82, 1694845), (86, 1616015), (205, 677938), (215, 646406), (410, 338969), (430, 323203), (1763, 78830), (3526, 39415), (7883, 17630), (8815, 15766)]