78889655455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{2153}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 103799157696

約数和(自身を除く): 24909502241

約数列:

[1, 5, 13, 65, 103, 169, 421, 515, 845, 1339, 2105, 2153, 5473, 6695, 10765, 17407, 27365, 27989, 43363, 71149, 87035, 139945, 216815, 221759, 355745, 363857, 563719, 906413, 1108795, 1819285, 2818595, 2882867, 4532065, 7328347, 11783369, 14414335, 36641735, 37477271, 58916845, 93360539, 153183797, 187386355, 466802695, 765918985, 1213687007, 6068435035, 15777931091, 78889655455]

約数ペア:

[(1, 78889655455), (5, 15777931091), (13, 6068435035), (65, 1213687007), (103, 765918985), (169, 466802695), (421, 187386355), (515, 153183797), (845, 93360539), (1339, 58916845), (2105, 37477271), (2153, 36641735), (5473, 14414335), (6695, 11783369), (10765, 7328347), (17407, 4532065), (27365, 2882867), (27989, 2818595), (43363, 1819285), (71149, 1108795), (87035, 906413), (139945, 563719), (216815, 363857), (221759, 355745)]