25004756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 53488512

約数和(自身を除く): 28483756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 131, 238, 262, 401, 476, 524, 802, 917, 1604, 1834, 2227, 2807, 3668, 4454, 5614, 6817, 8908, 11228, 13634, 15589, 27268, 31178, 47719, 52531, 62356, 95438, 105062, 190876, 210124, 367717, 735434, 893027, 1470868, 1786054, 3572108, 6251189, 12502378, 25004756]

約数ペア:

[(1, 25004756), (2, 12502378), (4, 6251189), (7, 3572108), (14, 1786054), (17, 1470868), (28, 893027), (34, 735434), (68, 367717), (119, 210124), (131, 190876), (238, 105062), (262, 95438), (401, 62356), (476, 52531), (524, 47719), (802, 31178), (917, 27268), (1604, 15589), (1834, 13634), (2227, 11228), (2807, 8908), (3668, 6817), (4454, 5614)]