28018328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4021}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 57434160

約数和(自身を除く): 29415832

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4021, 6968, 8042, 16084, 32168, 52273, 104546, 209092, 269407, 418184, 538814, 1077628, 2155256, 3502291, 7004582, 14009164, 28018328]

約数ペア:

[(1, 28018328), (2, 14009164), (4, 7004582), (8, 3502291), (13, 2155256), (26, 1077628), (52, 538814), (67, 418184), (104, 269407), (134, 209092), (268, 104546), (536, 52273), (871, 32168), (1742, 16084), (3484, 8042), (4021, 6968)]