128490348

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{218521}}^1$

素因数の和:218542

約数の個数: 36

約数和(自身を含む): 348761112

約数和(自身を除く): 220270764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 218521, 437042, 655563, 874084, 1311126, 1529647, 2622252, 3059294, 4588941, 6118588, 9177882, 10707529, 18355764, 21415058, 32122587, 42830116, 64245174, 128490348]

約数ペア:

[(1, 128490348), (2, 64245174), (3, 42830116), (4, 32122587), (6, 21415058), (7, 18355764), (12, 10707529), (14, 9177882), (21, 6118588), (28, 4588941), (42, 3059294), (49, 2622252), (84, 1529647), (98, 1311126), (147, 874084), (196, 655563), (294, 437042), (588, 218521)]