64973916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2897}}^1$

素因数の和:3003

約数の個数: 72

約数和(自身を含む): 189876960

約数和(自身を除く): 124903044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 1068, 1246, 1602, 1869, 2492, 2897, 3204, 3738, 5607, 5794, 7476, 8691, 11214, 11588, 17382, 20279, 22428, 26073, 34764, 40558, 52146, 60837, 81116, 104292, 121674, 182511, 243348, 257833, 365022, 515666, 730044, 773499, 1031332, 1546998, 1804831, 2320497, 3093996, 3609662, 4640994, 5414493, 7219324, 9281988, 10828986, 16243479, 21657972, 32486958, 64973916]

約数ペア:

[(1, 64973916), (2, 32486958), (3, 21657972), (4, 16243479), (6, 10828986), (7, 9281988), (9, 7219324), (12, 5414493), (14, 4640994), (18, 3609662), (21, 3093996), (28, 2320497), (36, 1804831), (42, 1546998), (63, 1031332), (84, 773499), (89, 730044), (126, 515666), (178, 365022), (252, 257833), (267, 243348), (356, 182511), (534, 121674), (623, 104292), (801, 81116), (1068, 60837), (1246, 52146), (1602, 40558), (1869, 34764), (2492, 26073), (2897, 22428), (3204, 20279), (3738, 17382), (5607, 11588), (5794, 11214), (7476, 8691)]