221245556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{683}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 463325184

約数和(自身を除く): 242079628

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 503, 644, 683, 1006, 1366, 2012, 2732, 3521, 4781, 7042, 9562, 11569, 14084, 15709, 19124, 23138, 31418, 46276, 62836, 80983, 109963, 161966, 219926, 323932, 343549, 439852, 687098, 1374196, 2404843, 4809686, 7901627, 9619372, 15803254, 31606508, 55311389, 110622778, 221245556]

約数ペア:

[(1, 221245556), (2, 110622778), (4, 55311389), (7, 31606508), (14, 15803254), (23, 9619372), (28, 7901627), (46, 4809686), (92, 2404843), (161, 1374196), (322, 687098), (503, 439852), (644, 343549), (683, 323932), (1006, 219926), (1366, 161966), (2012, 109963), (2732, 80983), (3521, 62836), (4781, 46276), (7042, 31418), (9562, 23138), (11569, 19124), (14084, 15709)]