138121445

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 214524288

約数和(自身を除く): 76402843

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 77, 245, 265, 371, 385, 539, 583, 967, 1855, 2597, 2695, 2915, 4081, 4835, 6769, 10637, 12985, 20405, 28567, 33845, 47383, 51251, 53185, 74459, 142835, 236915, 256255, 358757, 372295, 521213, 563761, 1793785, 2511299, 2606065, 2818805, 3946327, 12556495, 19731635, 27624289, 138121445]

約数ペア:

[(1, 138121445), (5, 27624289), (7, 19731635), (11, 12556495), (35, 3946327), (49, 2818805), (53, 2606065), (55, 2511299), (77, 1793785), (245, 563761), (265, 521213), (371, 372295), (385, 358757), (539, 256255), (583, 236915), (967, 142835), (1855, 74459), (2597, 53185), (2695, 51251), (2915, 47383), (4081, 33845), (4835, 28567), (6769, 20405), (10637, 12985)]