28063836

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 75675600

約数和(自身を除く): 47611764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 89, 114, 171, 178, 228, 267, 342, 356, 461, 534, 684, 801, 922, 1068, 1383, 1602, 1691, 1844, 2766, 3204, 3382, 4149, 5073, 5532, 6764, 8298, 8759, 10146, 15219, 16596, 17518, 20292, 26277, 30438, 35036, 41029, 52554, 60876, 78831, 82058, 105108, 123087, 157662, 164116, 246174, 315324, 369261, 492348, 738522, 779551, 1477044, 1559102, 2338653, 3118204, 4677306, 7015959, 9354612, 14031918, 28063836]

約数ペア:

[(1, 28063836), (2, 14031918), (3, 9354612), (4, 7015959), (6, 4677306), (9, 3118204), (12, 2338653), (18, 1559102), (19, 1477044), (36, 779551), (38, 738522), (57, 492348), (76, 369261), (89, 315324), (114, 246174), (171, 164116), (178, 157662), (228, 123087), (267, 105108), (342, 82058), (356, 78831), (461, 60876), (534, 52554), (684, 41029), (801, 35036), (922, 30438), (1068, 26277), (1383, 20292), (1602, 17518), (1691, 16596), (1844, 15219), (2766, 10146), (3204, 8759), (3382, 8298), (4149, 6764), (5073, 5532)]