138398785

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 73108415

約数列:

[1, 5, 7, 17, 35, 47, 49, 85, 101, 119, 235, 245, 329, 343, 505, 595, 707, 799, 833, 1645, 1715, 1717, 2303, 3535, 3995, 4165, 4747, 4949, 5593, 5831, 8585, 11515, 12019, 16121, 23735, 24745, 27965, 29155, 33229, 34643, 39151, 60095, 80605, 80699, 84133, 166145, 173215, 195755, 232603, 274057, 403495, 420665, 564893, 588931, 1163015, 1370285, 1628221, 2824465, 2944655, 3954251, 8141105, 19771255, 27679757, 138398785]

約数ペア:

[(1, 138398785), (5, 27679757), (7, 19771255), (17, 8141105), (35, 3954251), (47, 2944655), (49, 2824465), (85, 1628221), (101, 1370285), (119, 1163015), (235, 588931), (245, 564893), (329, 420665), (343, 403495), (505, 274057), (595, 232603), (707, 195755), (799, 173215), (833, 166145), (1645, 84133), (1715, 80699), (1717, 80605), (2303, 60095), (3535, 39151), (3995, 34643), (4165, 33229), (4747, 29155), (4949, 27965), (5593, 24745), (5831, 23735), (8585, 16121), (11515, 12019)]