638768802

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{15859}}^1$

素因数の和:16015

約数の個数: 48

約数和(自身を含む): 1497057120

約数和(自身を除く): 858288318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 822, 959, 1918, 2877, 5754, 6713, 13426, 15859, 20139, 31718, 40278, 47577, 95154, 111013, 222026, 333039, 666078, 777091, 1554182, 2172683, 2331273, 4345366, 4662546, 6518049, 13036098, 15208781, 30417562, 45626343, 91252686, 106461467, 212922934, 319384401, 638768802]

約数ペア:

[(1, 638768802), (2, 319384401), (3, 212922934), (6, 106461467), (7, 91252686), (14, 45626343), (21, 30417562), (42, 15208781), (49, 13036098), (98, 6518049), (137, 4662546), (147, 4345366), (274, 2331273), (294, 2172683), (411, 1554182), (822, 777091), (959, 666078), (1918, 333039), (2877, 222026), (5754, 111013), (6713, 95154), (13426, 47577), (15859, 40278), (20139, 31718)]