81629704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 167170500

約数和(自身を除く): 85540796

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 173, 338, 346, 349, 676, 692, 698, 1352, 1384, 1396, 2249, 2792, 4498, 4537, 8996, 9074, 17992, 18148, 29237, 36296, 58474, 58981, 60377, 116948, 117962, 120754, 233896, 235924, 241508, 471848, 483016, 784901, 1569802, 3139604, 6279208, 10203713, 20407426, 40814852, 81629704]

約数ペア:

[(1, 81629704), (2, 40814852), (4, 20407426), (8, 10203713), (13, 6279208), (26, 3139604), (52, 1569802), (104, 784901), (169, 483016), (173, 471848), (338, 241508), (346, 235924), (349, 233896), (676, 120754), (692, 117962), (698, 116948), (1352, 60377), (1384, 58981), (1396, 58474), (2249, 36296), (2792, 29237), (4498, 18148), (4537, 17992), (8996, 9074)]