72678290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 60861550

約数列:

[1, 2, 5, 10, 89, 127, 178, 254, 445, 635, 643, 890, 1270, 1286, 3215, 6430, 11303, 22606, 56515, 57227, 81661, 113030, 114454, 163322, 286135, 408305, 572270, 816610, 7267829, 14535658, 36339145, 72678290]

約数ペア:

[(1, 72678290), (2, 36339145), (5, 14535658), (10, 7267829), (89, 816610), (127, 572270), (178, 408305), (254, 286135), (445, 163322), (635, 114454), (643, 113030), (890, 81661), (1270, 57227), (1286, 56515), (3215, 22606), (6430, 11303)]