278677356

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{1997}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 674684640

約数和(自身を除く): 396007284

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 401, 802, 1203, 1604, 1997, 2406, 3994, 4812, 5991, 7988, 11629, 11982, 23258, 23964, 34887, 46516, 57913, 69774, 115826, 139548, 173739, 231652, 347478, 694956, 800797, 1601594, 2402391, 3203188, 4804782, 9609564, 23223113, 46446226, 69669339, 92892452, 139338678, 278677356]

約数ペア:

[(1, 278677356), (2, 139338678), (3, 92892452), (4, 69669339), (6, 46446226), (12, 23223113), (29, 9609564), (58, 4804782), (87, 3203188), (116, 2402391), (174, 1601594), (348, 800797), (401, 694956), (802, 347478), (1203, 231652), (1604, 173739), (1997, 139548), (2406, 115826), (3994, 69774), (4812, 57913), (5991, 46516), (7988, 34887), (11629, 23964), (11982, 23258)]