221286676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 429907968

約数和(自身を除く): 208621292

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 271, 383, 533, 542, 766, 1066, 1084, 1532, 2132, 3523, 4979, 7046, 9958, 11111, 14092, 15703, 19916, 22222, 31406, 44444, 62812, 103793, 144443, 204139, 207586, 288886, 408278, 415172, 577772, 816556, 1349309, 2698618, 4255513, 5397236, 8511026, 17022052, 55321669, 110643338, 221286676]

約数ペア:

[(1, 221286676), (2, 110643338), (4, 55321669), (13, 17022052), (26, 8511026), (41, 5397236), (52, 4255513), (82, 2698618), (164, 1349309), (271, 816556), (383, 577772), (533, 415172), (542, 408278), (766, 288886), (1066, 207586), (1084, 204139), (1532, 144443), (2132, 103793), (3523, 62812), (4979, 44444), (7046, 31406), (9958, 22222), (11111, 19916), (14092, 15703)]