222537217

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 269789184

約数和(自身を除く): 47251967

約数列:

[1, 7, 41, 67, 71, 163, 287, 469, 497, 1141, 2747, 2911, 4757, 6683, 10921, 11573, 19229, 20377, 33299, 46781, 76447, 81011, 195037, 447761, 474493, 775391, 1365259, 3134327, 3321451, 5427737, 31791031, 222537217]

約数ペア:

[(1, 222537217), (7, 31791031), (41, 5427737), (67, 3321451), (71, 3134327), (163, 1365259), (287, 775391), (469, 474493), (497, 447761), (1141, 195037), (2747, 81011), (2911, 76447), (4757, 46781), (6683, 33299), (10921, 20377), (11573, 19229)]