25222456

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 57743280

約数和(自身を除く): 32520824

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 49, 56, 74, 94, 98, 148, 188, 196, 259, 296, 329, 376, 392, 518, 658, 1036, 1316, 1369, 1739, 1813, 2072, 2303, 2632, 2738, 3478, 3626, 4606, 5476, 6956, 7252, 9212, 9583, 10952, 12173, 13912, 14504, 18424, 19166, 24346, 38332, 48692, 64343, 67081, 76664, 85211, 97384, 128686, 134162, 170422, 257372, 268324, 340844, 450401, 514744, 536648, 681688, 900802, 1801604, 3152807, 3603208, 6305614, 12611228, 25222456]

約数ペア:

[(1, 25222456), (2, 12611228), (4, 6305614), (7, 3603208), (8, 3152807), (14, 1801604), (28, 900802), (37, 681688), (47, 536648), (49, 514744), (56, 450401), (74, 340844), (94, 268324), (98, 257372), (148, 170422), (188, 134162), (196, 128686), (259, 97384), (296, 85211), (329, 76664), (376, 67081), (392, 64343), (518, 48692), (658, 38332), (1036, 24346), (1316, 19166), (1369, 18424), (1739, 14504), (1813, 13912), (2072, 12173), (2303, 10952), (2632, 9583), (2738, 9212), (3478, 7252), (3626, 6956), (4606, 5476)]