1277974318

素因数分解:

$2^1\times {\mathrm{31}}^3\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 2011426560

約数和(自身を除く): 733452242

約数列:

[1, 2, 31, 62, 89, 178, 241, 482, 961, 1922, 2759, 5518, 7471, 14942, 21449, 29791, 42898, 59582, 85529, 171058, 231601, 463202, 664919, 1329838, 2651399, 5302798, 7179631, 14359262, 20612489, 41224978, 638987159, 1277974318]

約数ペア:

[(1, 1277974318), (2, 638987159), (31, 41224978), (62, 20612489), (89, 14359262), (178, 7179631), (241, 5302798), (482, 2651399), (961, 1329838), (1922, 664919), (2759, 463202), (5518, 231601), (7471, 171058), (14942, 85529), (21449, 59582), (29791, 42898)]