201991161814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1\times {\mathrm{29401}}^1$

素因数の和:31456

約数の個数: 32

約数和(自身を含む): 328824911520

約数和(自身を除く): 126833749706

約数列:

[1, 2, 13, 26, 139, 278, 1807, 1901, 3614, 3802, 24713, 29401, 49426, 58802, 264239, 382213, 528478, 764426, 3435107, 4086739, 6870214, 8173478, 53127607, 55891301, 106255214, 111782602, 726586913, 1453173826, 7768890839, 15537781678, 100995580907, 201991161814]

約数ペア:

[(1, 201991161814), (2, 100995580907), (13, 15537781678), (26, 7768890839), (139, 1453173826), (278, 726586913), (1807, 111782602), (1901, 106255214), (3614, 55891301), (3802, 53127607), (24713, 8173478), (29401, 6870214), (49426, 4086739), (58802, 3435107), (264239, 764426), (382213, 528478)]