25431718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 17468762

約数列:

[1, 2, 13, 26, 31, 62, 139, 227, 278, 403, 454, 806, 1807, 2951, 3614, 4309, 5902, 7037, 8618, 14074, 31553, 56017, 63106, 91481, 112034, 182962, 410189, 820378, 978143, 1956286, 12715859, 25431718]

約数ペア:

[(1, 25431718), (2, 12715859), (13, 1956286), (26, 978143), (31, 820378), (62, 410189), (139, 182962), (227, 112034), (278, 91481), (403, 63106), (454, 56017), (806, 31553), (1807, 14074), (2951, 8618), (3614, 7037), (4309, 5902)]