64003457

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 83357760

約数和(自身を除く): 19354303

約数列:

[1, 7, 19, 23, 49, 61, 133, 161, 343, 427, 437, 931, 1127, 1159, 1403, 2401, 2989, 3059, 6517, 7889, 8113, 9821, 20923, 21413, 26657, 45619, 55223, 56791, 68747, 146461, 149891, 186599, 397537, 481229, 1049237, 1306193, 2782759, 3368603, 9143351, 64003457]

約数ペア:

[(1, 64003457), (7, 9143351), (19, 3368603), (23, 2782759), (49, 1306193), (61, 1049237), (133, 481229), (161, 397537), (343, 186599), (427, 149891), (437, 146461), (931, 68747), (1127, 56791), (1159, 55223), (1403, 45619), (2401, 26657), (2989, 21413), (3059, 20923), (6517, 9821), (7889, 8113)]