87975678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6959}}^1$

素因数の和:7021

約数の個数: 48

約数和(自身を含む): 209468160

約数和(自身を除く): 121492482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 6959, 12642, 13918, 20877, 41754, 48713, 97426, 146139, 292278, 299237, 340991, 598474, 681982, 897711, 1022973, 1795422, 2045946, 2094659, 4189318, 6283977, 12567954, 14662613, 29325226, 43987839, 87975678]

約数ペア:

[(1, 87975678), (2, 43987839), (3, 29325226), (6, 14662613), (7, 12567954), (14, 6283977), (21, 4189318), (42, 2094659), (43, 2045946), (49, 1795422), (86, 1022973), (98, 897711), (129, 681982), (147, 598474), (258, 340991), (294, 299237), (301, 292278), (602, 146139), (903, 97426), (1806, 48713), (2107, 41754), (4214, 20877), (6321, 13918), (6959, 12642)]