278985714

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{2719}}^1$

素因数の和:3087

約数の個数: 48

約数和(自身を含む): 651168000

約数和(自身を除く): 372182286

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 349, 698, 1047, 2094, 2443, 2719, 4886, 5438, 7329, 8157, 14658, 16314, 17101, 19033, 34202, 38066, 51303, 57099, 102606, 114198, 133231, 266462, 399693, 799386, 948931, 1897862, 2846793, 5693586, 6642517, 13285034, 19927551, 39855102, 46497619, 92995238, 139492857, 278985714]

約数ペア:

[(1, 278985714), (2, 139492857), (3, 92995238), (6, 46497619), (7, 39855102), (14, 19927551), (21, 13285034), (42, 6642517), (49, 5693586), (98, 2846793), (147, 1897862), (294, 948931), (349, 799386), (698, 399693), (1047, 266462), (2094, 133231), (2443, 114198), (2719, 102606), (4886, 57099), (5438, 51303), (7329, 38066), (8157, 34202), (14658, 19033), (16314, 17101)]