220126238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 350784000

約数和(自身を除く): 130657762

約数列:

[1, 2, 23, 46, 139, 173, 199, 278, 346, 398, 3197, 3979, 4577, 6394, 7958, 9154, 24047, 27661, 34427, 48094, 55322, 68854, 553081, 636203, 791821, 1106162, 1272406, 1583642, 4785353, 9570706, 110063119, 220126238]

約数ペア:

[(1, 220126238), (2, 110063119), (23, 9570706), (46, 4785353), (139, 1583642), (173, 1272406), (199, 1106162), (278, 791821), (346, 636203), (398, 553081), (3197, 68854), (3979, 55322), (4577, 48094), (6394, 34427), (7958, 27661), (9154, 24047)]