22171975

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 33458176

約数和(自身を除く): 11286201

約数列:

[1, 5, 7, 25, 31, 35, 61, 67, 155, 175, 217, 305, 335, 427, 469, 775, 1085, 1525, 1675, 1891, 2077, 2135, 2345, 4087, 5425, 9455, 10385, 10675, 11725, 13237, 14539, 20435, 28609, 47275, 51925, 66185, 72695, 102175, 126697, 143045, 330925, 363475, 633485, 715225, 886879, 3167425, 4434395, 22171975]

約数ペア:

[(1, 22171975), (5, 4434395), (7, 3167425), (25, 886879), (31, 715225), (35, 633485), (61, 363475), (67, 330925), (155, 143045), (175, 126697), (217, 102175), (305, 72695), (335, 66185), (427, 51925), (469, 47275), (775, 28609), (1085, 20435), (1525, 14539), (1675, 13237), (1891, 11725), (2077, 10675), (2135, 10385), (2345, 9455), (4087, 5425)]