87740086

素因数分解:

$2^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 155520000

約数和(自身を除く): 67779914

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 343, 553, 686, 1106, 1619, 3238, 3871, 7742, 11333, 22666, 27097, 54194, 79331, 127901, 158662, 255802, 555317, 895307, 1110634, 1790614, 6267149, 12534298, 43870043, 87740086]

約数ペア:

[(1, 87740086), (2, 43870043), (7, 12534298), (14, 6267149), (49, 1790614), (79, 1110634), (98, 895307), (158, 555317), (343, 255802), (553, 158662), (686, 127901), (1106, 79331), (1619, 54194), (3238, 27097), (3871, 22666), (7742, 11333)]