25474232

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 31549768

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 142, 149, 172, 284, 298, 301, 344, 497, 568, 596, 602, 994, 1043, 1192, 1204, 1988, 2086, 2408, 3053, 3976, 4172, 6106, 6407, 8344, 10579, 12212, 12814, 21158, 21371, 24424, 25628, 42316, 42742, 44849, 51256, 74053, 84632, 85484, 89698, 148106, 170968, 179396, 296212, 358792, 454897, 592424, 909794, 1819588, 3184279, 3639176, 6368558, 12737116, 25474232]

約数ペア:

[(1, 25474232), (2, 12737116), (4, 6368558), (7, 3639176), (8, 3184279), (14, 1819588), (28, 909794), (43, 592424), (56, 454897), (71, 358792), (86, 296212), (142, 179396), (149, 170968), (172, 148106), (284, 89698), (298, 85484), (301, 84632), (344, 74053), (497, 51256), (568, 44849), (596, 42742), (602, 42316), (994, 25628), (1043, 24424), (1192, 21371), (1204, 21158), (1988, 12814), (2086, 12212), (2408, 10579), (3053, 8344), (3976, 6407), (4172, 6106)]