128435722

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 204120000

約数和(自身を除く): 75684278

約数列:

[1, 2, 29, 58, 89, 139, 178, 179, 278, 358, 2581, 4031, 5162, 5191, 8062, 10382, 12371, 15931, 24742, 24881, 31862, 49762, 358759, 461999, 717518, 721549, 923998, 1443098, 2214409, 4428818, 64217861, 128435722]

約数ペア:

[(1, 128435722), (2, 64217861), (29, 4428818), (58, 2214409), (89, 1443098), (139, 923998), (178, 721549), (179, 717518), (278, 461999), (358, 358759), (2581, 49762), (4031, 31862), (5162, 24881), (5191, 24742), (8062, 15931), (10382, 12371)]