816398905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{5741}}^1$

素因数の和:6009

約数の個数: 32

約数和(自身を含む): 1190661120

約数和(自身を除く): 374262215

約数列:

[1, 5, 7, 17, 35, 85, 119, 239, 595, 1195, 1673, 4063, 5741, 8365, 20315, 28441, 28705, 40187, 97597, 142205, 200935, 487985, 683179, 1372099, 3415895, 6860495, 9604693, 23325683, 48023465, 116628415, 163279781, 816398905]

約数ペア:

[(1, 816398905), (5, 163279781), (7, 116628415), (17, 48023465), (35, 23325683), (85, 9604693), (119, 6860495), (239, 3415895), (595, 1372099), (1195, 683179), (1673, 487985), (4063, 200935), (5741, 142205), (8365, 97597), (20315, 40187), (28441, 28705)]