28399984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 58547840

約数和(自身を除く): 30147856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 824, 907, 1648, 1814, 1957, 3628, 3914, 7256, 7828, 14512, 15656, 17233, 31312, 34466, 68932, 93421, 137864, 186842, 275728, 373684, 747368, 1494736, 1774999, 3549998, 7099996, 14199992, 28399984]

約数ペア:

[(1, 28399984), (2, 14199992), (4, 7099996), (8, 3549998), (16, 1774999), (19, 1494736), (38, 747368), (76, 373684), (103, 275728), (152, 186842), (206, 137864), (304, 93421), (412, 68932), (824, 34466), (907, 31312), (1648, 17233), (1814, 15656), (1957, 14512), (3628, 7828), (3914, 7256)]