1661892

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 4213440

約数和(自身を除く): 2551548

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 197, 222, 228, 394, 444, 591, 703, 788, 1182, 1406, 2109, 2364, 2812, 3743, 4218, 7289, 7486, 8436, 11229, 14578, 14972, 21867, 22458, 29156, 43734, 44916, 87468, 138491, 276982, 415473, 553964, 830946, 1661892]

約数ペア:

[(1, 1661892), (2, 830946), (3, 553964), (4, 415473), (6, 276982), (12, 138491), (19, 87468), (37, 44916), (38, 43734), (57, 29156), (74, 22458), (76, 21867), (111, 14972), (114, 14578), (148, 11229), (197, 8436), (222, 7486), (228, 7289), (394, 4218), (444, 3743), (591, 2812), (703, 2364), (788, 2109), (1182, 1406)]