212221932

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1657}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 534247392

約数和(自身を除く): 322025460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821, 1642, 1657, 2463, 3284, 3314, 4926, 4971, 6628, 9852, 9942, 10673, 19884, 21346, 21541, 32019, 42692, 43082, 64038, 64623, 86164, 128076, 129246, 258492, 1360397, 2720794, 4081191, 5441588, 8162382, 16324764, 17685161, 35370322, 53055483, 70740644, 106110966, 212221932]

約数ペア:

[(1, 212221932), (2, 106110966), (3, 70740644), (4, 53055483), (6, 35370322), (12, 17685161), (13, 16324764), (26, 8162382), (39, 5441588), (52, 4081191), (78, 2720794), (156, 1360397), (821, 258492), (1642, 129246), (1657, 128076), (2463, 86164), (3284, 64623), (3314, 64038), (4926, 43082), (4971, 42692), (6628, 32019), (9852, 21541), (9942, 21346), (10673, 19884)]