991569132

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{20509}}^1$

素因数の和:20615

約数の個数: 72

約数和(自身を含む): 2687630400

約数和(自身を除く): 1696061268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 79, 102, 153, 158, 204, 237, 306, 316, 474, 612, 711, 948, 1343, 1422, 2686, 2844, 4029, 5372, 8058, 12087, 16116, 20509, 24174, 41018, 48348, 61527, 82036, 123054, 184581, 246108, 348653, 369162, 697306, 738324, 1045959, 1394612, 1620211, 2091918, 3137877, 3240422, 4183836, 4860633, 6275754, 6480844, 9721266, 12551508, 14581899, 19442532, 27543587, 29163798, 55087174, 58327596, 82630761, 110174348, 165261522, 247892283, 330523044, 495784566, 991569132]

約数ペア:

[(1, 991569132), (2, 495784566), (3, 330523044), (4, 247892283), (6, 165261522), (9, 110174348), (12, 82630761), (17, 58327596), (18, 55087174), (34, 29163798), (36, 27543587), (51, 19442532), (68, 14581899), (79, 12551508), (102, 9721266), (153, 6480844), (158, 6275754), (204, 4860633), (237, 4183836), (306, 3240422), (316, 3137877), (474, 2091918), (612, 1620211), (711, 1394612), (948, 1045959), (1343, 738324), (1422, 697306), (2686, 369162), (2844, 348653), (4029, 246108), (5372, 184581), (8058, 123054), (12087, 82036), (16116, 61527), (20509, 48348), (24174, 41018)]