218993838

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{106411}}^1$

素因数の和:106437

約数の個数: 32

約数和(自身を含む): 510777600

約数和(自身を除く): 291783762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 106411, 212822, 319233, 638466, 744877, 1489754, 2234631, 4469262, 5214139, 10428278, 15642417, 31284834, 36498973, 72997946, 109496919, 218993838]

約数ペア:

[(1, 218993838), (2, 109496919), (3, 72997946), (6, 36498973), (7, 31284834), (14, 15642417), (21, 10428278), (42, 5214139), (49, 4469262), (98, 2234631), (147, 1489754), (294, 744877), (343, 638466), (686, 319233), (1029, 212822), (2058, 106411)]