1001984

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 40

約数和(自身を含む): 2127840

約数和(自身を除く): 1125856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 128, 152, 206, 256, 304, 412, 512, 608, 824, 1216, 1648, 1957, 2432, 3296, 3914, 4864, 6592, 7828, 9728, 13184, 15656, 26368, 31312, 52736, 62624, 125248, 250496, 500992, 1001984]

約数ペア:

[(1, 1001984), (2, 500992), (4, 250496), (8, 125248), (16, 62624), (19, 52736), (32, 31312), (38, 26368), (64, 15656), (76, 13184), (103, 9728), (128, 7828), (152, 6592), (206, 4864), (256, 3914), (304, 3296), (412, 2432), (512, 1957), (608, 1648), (824, 1216)]