25903345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 9094415

約数列:

[1, 5, 13, 47, 61, 65, 139, 235, 305, 611, 695, 793, 1807, 2867, 3055, 3965, 6533, 8479, 9035, 14335, 32665, 37271, 42395, 84929, 110227, 186355, 398513, 424645, 551135, 1992565, 5180669, 25903345]

約数ペア:

[(1, 25903345), (5, 5180669), (13, 1992565), (47, 551135), (61, 424645), (65, 398513), (139, 186355), (235, 110227), (305, 84929), (611, 42395), (695, 37271), (793, 32665), (1807, 14335), (2867, 9035), (3055, 8479), (3965, 6533)]