78329419

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 95585280

約数和(自身を除く): 17255861

約数列:

[1, 7, 19, 133, 139, 223, 361, 973, 1561, 2527, 2641, 4237, 18487, 29659, 30997, 50179, 80503, 216979, 351253, 563521, 588943, 4122601, 11189917, 78329419]

約数ペア:

[(1, 78329419), (7, 11189917), (19, 4122601), (133, 588943), (139, 563521), (223, 351253), (361, 216979), (973, 80503), (1561, 50179), (2527, 30997), (2641, 29659), (4237, 18487)]