395403848

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 865536000

約数和(自身を除く): 470132152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 139, 158, 278, 316, 553, 556, 632, 643, 973, 1106, 1112, 1286, 1946, 2212, 2572, 3892, 4424, 4501, 5144, 7784, 9002, 10981, 18004, 21962, 36008, 43924, 50797, 76867, 87848, 89377, 101594, 153734, 178754, 203188, 307468, 355579, 357508, 406376, 614936, 625639, 711158, 715016, 1251278, 1422316, 2502556, 2844632, 5005112, 7060783, 14121566, 28243132, 49425481, 56486264, 98850962, 197701924, 395403848]

約数ペア:

[(1, 395403848), (2, 197701924), (4, 98850962), (7, 56486264), (8, 49425481), (14, 28243132), (28, 14121566), (56, 7060783), (79, 5005112), (139, 2844632), (158, 2502556), (278, 1422316), (316, 1251278), (553, 715016), (556, 711158), (632, 625639), (643, 614936), (973, 406376), (1106, 357508), (1112, 355579), (1286, 307468), (1946, 203188), (2212, 178754), (2572, 153734), (3892, 101594), (4424, 89377), (4501, 87848), (5144, 76867), (7784, 50797), (9002, 43924), (10981, 36008), (18004, 21962)]