1998209087

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{11069}}^1$

素因数の和:11171

約数の個数: 32

約数和(自身を含む): 2544151680

約数和(自身を除く): 545942593

約数列:

[1, 7, 17, 37, 41, 119, 259, 287, 629, 697, 1517, 4403, 4879, 10619, 11069, 25789, 77483, 180523, 188173, 409553, 453829, 1317211, 2866871, 3176803, 6962401, 7715093, 16791673, 48736807, 54005651, 117541711, 285458441, 1998209087]

約数ペア:

[(1, 1998209087), (7, 285458441), (17, 117541711), (37, 54005651), (41, 48736807), (119, 16791673), (259, 7715093), (287, 6962401), (629, 3176803), (697, 2866871), (1517, 1317211), (4403, 453829), (4879, 409553), (10619, 188173), (11069, 180523), (25789, 77483)]