278316206

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{1321}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 485438400

約数和(自身を除く): 207122194

約数列:

[1, 2, 7, 14, 101, 149, 202, 298, 707, 1043, 1321, 1414, 2086, 2642, 9247, 15049, 18494, 30098, 105343, 133421, 196829, 210686, 266842, 393658, 933947, 1377803, 1867894, 2755606, 19879729, 39759458, 139158103, 278316206]

約数ペア:

[(1, 278316206), (2, 139158103), (7, 39759458), (14, 19879729), (101, 2755606), (149, 1867894), (202, 1377803), (298, 933947), (707, 393658), (1043, 266842), (1321, 210686), (1414, 196829), (2086, 133421), (2642, 105343), (9247, 30098), (15049, 18494)]