80908555

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 129024000

約数和(自身を除く): 48115445

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 191, 245, 247, 343, 455, 637, 665, 931, 955, 1235, 1337, 1715, 1729, 2483, 3185, 3629, 4459, 4655, 6517, 6685, 8645, 9359, 12103, 12415, 17381, 18145, 22295, 25403, 32585, 46795, 47177, 60515, 65513, 84721, 86905, 121667, 127015, 177821, 235885, 327565, 330239, 423605, 608335, 851669, 889105, 1244747, 1651195, 2311673, 4258345, 6223735, 11558365, 16181711, 80908555]

約数ペア:

[(1, 80908555), (5, 16181711), (7, 11558365), (13, 6223735), (19, 4258345), (35, 2311673), (49, 1651195), (65, 1244747), (91, 889105), (95, 851669), (133, 608335), (191, 423605), (245, 330239), (247, 327565), (343, 235885), (455, 177821), (637, 127015), (665, 121667), (931, 86905), (955, 84721), (1235, 65513), (1337, 60515), (1715, 47177), (1729, 46795), (2483, 32585), (3185, 25403), (3629, 22295), (4459, 18145), (4655, 17381), (6517, 12415), (6685, 12103), (8645, 9359)]