25707164

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 53860800

約数和(自身を除く): 28153636

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 457, 574, 686, 914, 1148, 1372, 1828, 2009, 3199, 4018, 6398, 8036, 12796, 14063, 18737, 22393, 28126, 37474, 44786, 56252, 74948, 89572, 131159, 156751, 262318, 313502, 524636, 627004, 918113, 1836226, 3672452, 6426791, 12853582, 25707164]

約数ペア:

[(1, 25707164), (2, 12853582), (4, 6426791), (7, 3672452), (14, 1836226), (28, 918113), (41, 627004), (49, 524636), (82, 313502), (98, 262318), (164, 156751), (196, 131159), (287, 89572), (343, 74948), (457, 56252), (574, 44786), (686, 37474), (914, 28126), (1148, 22393), (1372, 18737), (1828, 14063), (2009, 12796), (3199, 8036), (4018, 6398)]