637976816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1493}}^1\times {\mathrm{1571}}^1$

素因数の和:3089

約数の個数: 40

約数和(自身を含む): 1310500944

約数和(自身を除く): 672524128

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1493, 1571, 2986, 3142, 5972, 6284, 11944, 12568, 23888, 25136, 25381, 26707, 50762, 53414, 101524, 106828, 203048, 213656, 406096, 427312, 2345503, 4691006, 9382012, 18764024, 37528048, 39873551, 79747102, 159494204, 318988408, 637976816]

約数ペア:

[(1, 637976816), (2, 318988408), (4, 159494204), (8, 79747102), (16, 39873551), (17, 37528048), (34, 18764024), (68, 9382012), (136, 4691006), (272, 2345503), (1493, 427312), (1571, 406096), (2986, 213656), (3142, 203048), (5972, 106828), (6284, 101524), (11944, 53414), (12568, 50762), (23888, 26707), (25136, 25381)]