128426984

素因数分解:

$2^3\times 7^1\times {\mathrm{983}}^1\times {\mathrm{2333}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 275598720

約数和(自身を除く): 147171736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 983, 1966, 2333, 3932, 4666, 6881, 7864, 9332, 13762, 16331, 18664, 27524, 32662, 55048, 65324, 130648, 2293339, 4586678, 9173356, 16053373, 18346712, 32106746, 64213492, 128426984]

約数ペア:

[(1, 128426984), (2, 64213492), (4, 32106746), (7, 18346712), (8, 16053373), (14, 9173356), (28, 4586678), (56, 2293339), (983, 130648), (1966, 65324), (2333, 55048), (3932, 32662), (4666, 27524), (6881, 18664), (7864, 16331), (9332, 13762)]