87840508

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 179928000

約数和(自身を除く): 92087492

約数列:

[1, 2, 4, 7, 14, 28, 89, 101, 178, 202, 349, 356, 404, 623, 698, 707, 1246, 1396, 1414, 2443, 2492, 2828, 4886, 8989, 9772, 17978, 31061, 35249, 35956, 62122, 62923, 70498, 124244, 125846, 140996, 217427, 246743, 251692, 434854, 493486, 869708, 986972, 3137161, 6274322, 12548644, 21960127, 43920254, 87840508]

約数ペア:

[(1, 87840508), (2, 43920254), (4, 21960127), (7, 12548644), (14, 6274322), (28, 3137161), (89, 986972), (101, 869708), (178, 493486), (202, 434854), (349, 251692), (356, 246743), (404, 217427), (623, 140996), (698, 125846), (707, 124244), (1246, 70498), (1396, 62923), (1414, 62122), (2443, 35956), (2492, 35249), (2828, 31061), (4886, 17978), (8989, 9772)]