221988788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1163}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 471671424

約数和(自身を除く): 249682636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 401, 476, 802, 1163, 1604, 2326, 2807, 4652, 5614, 6817, 8141, 11228, 13634, 16282, 19771, 27268, 32564, 39542, 47719, 79084, 95438, 138397, 190876, 276794, 466363, 553588, 932726, 1865452, 3264541, 6529082, 7928171, 13058164, 15856342, 31712684, 55497197, 110994394, 221988788]

約数ペア:

[(1, 221988788), (2, 110994394), (4, 55497197), (7, 31712684), (14, 15856342), (17, 13058164), (28, 7928171), (34, 6529082), (68, 3264541), (119, 1865452), (238, 932726), (401, 553588), (476, 466363), (802, 276794), (1163, 190876), (1604, 138397), (2326, 95438), (2807, 79084), (4652, 47719), (5614, 39542), (6817, 32564), (8141, 27268), (11228, 19771), (13634, 16282)]