28507068

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48544452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 587, 639, 684, 852, 1174, 1278, 1349, 1761, 2348, 2556, 2698, 3522, 4047, 5283, 5396, 7044, 8094, 10566, 11153, 12141, 16188, 21132, 22306, 24282, 33459, 41677, 44612, 48564, 66918, 83354, 100377, 125031, 133836, 166708, 200754, 250062, 375093, 401508, 500124, 750186, 791863, 1500372, 1583726, 2375589, 3167452, 4751178, 7126767, 9502356, 14253534, 28507068]

約数ペア:

[(1, 28507068), (2, 14253534), (3, 9502356), (4, 7126767), (6, 4751178), (9, 3167452), (12, 2375589), (18, 1583726), (19, 1500372), (36, 791863), (38, 750186), (57, 500124), (71, 401508), (76, 375093), (114, 250062), (142, 200754), (171, 166708), (213, 133836), (228, 125031), (284, 100377), (342, 83354), (426, 66918), (587, 48564), (639, 44612), (684, 41677), (852, 33459), (1174, 24282), (1278, 22306), (1349, 21132), (1761, 16188), (2348, 12141), (2556, 11153), (2698, 10566), (3522, 8094), (4047, 7044), (5283, 5396)]