72006998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 130448640

約数和(自身を除く): 58441642

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 421, 643, 842, 1286, 2947, 4501, 5894, 7999, 9002, 12217, 15998, 24434, 55993, 85519, 111986, 171038, 270703, 541406, 1894921, 3789842, 5143357, 10286714, 36003499, 72006998]

約数ペア:

[(1, 72006998), (2, 36003499), (7, 10286714), (14, 5143357), (19, 3789842), (38, 1894921), (133, 541406), (266, 270703), (421, 171038), (643, 111986), (842, 85519), (1286, 55993), (2947, 24434), (4501, 15998), (5894, 12217), (7999, 9002)]