221897416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{1663}}^1$

素因数の和:2965

約数の個数: 32

約数和(自身を含む): 448680960

約数和(自身を除く): 226783544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1283, 1663, 2566, 3326, 5132, 6652, 10264, 13304, 16679, 21619, 33358, 43238, 66716, 86476, 133432, 172952, 2133629, 4267258, 8534516, 17069032, 27737177, 55474354, 110948708, 221897416]

約数ペア:

[(1, 221897416), (2, 110948708), (4, 55474354), (8, 27737177), (13, 17069032), (26, 8534516), (52, 4267258), (104, 2133629), (1283, 172952), (1663, 133432), (2566, 86476), (3326, 66716), (5132, 43238), (6652, 33358), (10264, 21619), (13304, 16679)]