128431332

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1951

約数の個数: 72

約数和(自身を含む): 341595072

約数和(自身を除く): 213163740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 426, 486, 639, 852, 972, 1278, 1861, 1917, 2556, 3722, 3834, 5583, 5751, 7444, 7668, 11166, 11502, 16749, 17253, 22332, 23004, 33498, 34506, 50247, 66996, 69012, 100494, 132131, 150741, 200988, 264262, 301482, 396393, 452223, 528524, 602964, 792786, 904446, 1189179, 1585572, 1808892, 2378358, 3567537, 4756716, 7135074, 10702611, 14270148, 21405222, 32107833, 42810444, 64215666, 128431332]

約数ペア:

[(1, 128431332), (2, 64215666), (3, 42810444), (4, 32107833), (6, 21405222), (9, 14270148), (12, 10702611), (18, 7135074), (27, 4756716), (36, 3567537), (54, 2378358), (71, 1808892), (81, 1585572), (108, 1189179), (142, 904446), (162, 792786), (213, 602964), (243, 528524), (284, 452223), (324, 396393), (426, 301482), (486, 264262), (639, 200988), (852, 150741), (972, 132131), (1278, 100494), (1861, 69012), (1917, 66996), (2556, 50247), (3722, 34506), (3834, 33498), (5583, 23004), (5751, 22332), (7444, 17253), (7668, 16749), (11166, 11502)]