1381036670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1303}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 2776080384

約数和(自身を除く): 1395043714

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 263, 310, 403, 526, 806, 1303, 1315, 2015, 2606, 2630, 3419, 4030, 6515, 6838, 8153, 13030, 16306, 16939, 17095, 33878, 34190, 40393, 40765, 80786, 81530, 84695, 105989, 169390, 201965, 211978, 342689, 403930, 525109, 529945, 685378, 1050218, 1059890, 1713445, 2625545, 3426890, 4454957, 5251090, 8909914, 10623359, 21246718, 22274785, 44549570, 53116795, 106233590, 138103667, 276207334, 690518335, 1381036670]

約数ペア:

[(1, 1381036670), (2, 690518335), (5, 276207334), (10, 138103667), (13, 106233590), (26, 53116795), (31, 44549570), (62, 22274785), (65, 21246718), (130, 10623359), (155, 8909914), (263, 5251090), (310, 4454957), (403, 3426890), (526, 2625545), (806, 1713445), (1303, 1059890), (1315, 1050218), (2015, 685378), (2606, 529945), (2630, 525109), (3419, 403930), (4030, 342689), (6515, 211978), (6838, 201965), (8153, 169390), (13030, 105989), (16306, 84695), (16939, 81530), (17095, 80786), (33878, 40765), (34190, 40393)]