2215856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 4664880

約数和(自身を除く): 2449024

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 197, 296, 304, 394, 592, 703, 788, 1406, 1576, 2812, 3152, 3743, 5624, 7289, 7486, 11248, 14578, 14972, 29156, 29944, 58312, 59888, 116624, 138491, 276982, 553964, 1107928, 2215856]

約数ペア:

[(1, 2215856), (2, 1107928), (4, 553964), (8, 276982), (16, 138491), (19, 116624), (37, 59888), (38, 58312), (74, 29944), (76, 29156), (148, 14972), (152, 14578), (197, 11248), (296, 7486), (304, 7289), (394, 5624), (592, 3743), (703, 3152), (788, 2812), (1406, 1576)]