123871678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 224236800

約数和(自身を除く): 100365122

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 457, 914, 1019, 2038, 3199, 6398, 7133, 8683, 14266, 17366, 19361, 38722, 60781, 121562, 135527, 271054, 465683, 931366, 3259781, 6519562, 8847977, 17695954, 61935839, 123871678]

約数ペア:

[(1, 123871678), (2, 61935839), (7, 17695954), (14, 8847977), (19, 6519562), (38, 3259781), (133, 931366), (266, 465683), (457, 271054), (914, 135527), (1019, 121562), (2038, 60781), (3199, 38722), (6398, 19361), (7133, 17366), (8683, 14266)]