28247148

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 76505520

約数和(自身を除く): 48258372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 677, 684, 732, 1098, 1159, 1354, 2031, 2196, 2318, 2708, 3477, 4062, 4636, 6093, 6954, 8124, 10431, 12186, 12863, 13908, 20862, 24372, 25726, 38589, 41297, 41724, 51452, 77178, 82594, 115767, 123891, 154356, 165188, 231534, 247782, 371673, 463068, 495564, 743346, 784643, 1486692, 1569286, 2353929, 3138572, 4707858, 7061787, 9415716, 14123574, 28247148]

約数ペア:

[(1, 28247148), (2, 14123574), (3, 9415716), (4, 7061787), (6, 4707858), (9, 3138572), (12, 2353929), (18, 1569286), (19, 1486692), (36, 784643), (38, 743346), (57, 495564), (61, 463068), (76, 371673), (114, 247782), (122, 231534), (171, 165188), (183, 154356), (228, 123891), (244, 115767), (342, 82594), (366, 77178), (549, 51452), (677, 41724), (684, 41297), (732, 38589), (1098, 25726), (1159, 24372), (1354, 20862), (2031, 13908), (2196, 12863), (2318, 12186), (2708, 10431), (3477, 8124), (4062, 6954), (4636, 6093)]