220123218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 515312640

約数和(自身を除く): 295189422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 211, 354, 413, 421, 422, 633, 826, 842, 1239, 1263, 1266, 1477, 2478, 2526, 2947, 2954, 4431, 5894, 8841, 8862, 12449, 17682, 24839, 24898, 37347, 49678, 74517, 74694, 87143, 88831, 149034, 173873, 174286, 177662, 261429, 266493, 347746, 521619, 522858, 532986, 621817, 1043238, 1243634, 1865451, 3730902, 5241029, 10482058, 15723087, 31446174, 36687203, 73374406, 110061609, 220123218]

約数ペア:

[(1, 220123218), (2, 110061609), (3, 73374406), (6, 36687203), (7, 31446174), (14, 15723087), (21, 10482058), (42, 5241029), (59, 3730902), (118, 1865451), (177, 1243634), (211, 1043238), (354, 621817), (413, 532986), (421, 522858), (422, 521619), (633, 347746), (826, 266493), (842, 261429), (1239, 177662), (1263, 174286), (1266, 173873), (1477, 149034), (2478, 88831), (2526, 87143), (2947, 74694), (2954, 74517), (4431, 49678), (5894, 37347), (8841, 24898), (8862, 24839), (12449, 17682)]