83687408

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2141}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 185925600

約数和(自身を除く): 102238192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 698, 1396, 2141, 2443, 2792, 4282, 4886, 5584, 8564, 9772, 14987, 17128, 19544, 29974, 34256, 39088, 59948, 119896, 239792, 747209, 1494418, 2988836, 5230463, 5977672, 10460926, 11955344, 20921852, 41843704, 83687408]

約数ペア:

[(1, 83687408), (2, 41843704), (4, 20921852), (7, 11955344), (8, 10460926), (14, 5977672), (16, 5230463), (28, 2988836), (56, 1494418), (112, 747209), (349, 239792), (698, 119896), (1396, 59948), (2141, 39088), (2443, 34256), (2792, 29974), (4282, 19544), (4886, 17128), (5584, 14987), (8564, 9772)]