31261308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 53410692

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 53, 57, 76, 78, 106, 114, 156, 159, 199, 212, 228, 247, 318, 398, 494, 597, 636, 689, 741, 796, 988, 1007, 1194, 1378, 1482, 2014, 2067, 2388, 2587, 2756, 2964, 3021, 3781, 4028, 4134, 5174, 6042, 7562, 7761, 8268, 10348, 10547, 11343, 12084, 13091, 15124, 15522, 21094, 22686, 26182, 31044, 31641, 39273, 42188, 45372, 49153, 52364, 63282, 78546, 98306, 126564, 137111, 147459, 157092, 196612, 200393, 274222, 294918, 400786, 411333, 548444, 589836, 601179, 801572, 822666, 1202358, 1645332, 2404716, 2605109, 5210218, 7815327, 10420436, 15630654, 31261308]

約数ペア:

[(1, 31261308), (2, 15630654), (3, 10420436), (4, 7815327), (6, 5210218), (12, 2605109), (13, 2404716), (19, 1645332), (26, 1202358), (38, 822666), (39, 801572), (52, 601179), (53, 589836), (57, 548444), (76, 411333), (78, 400786), (106, 294918), (114, 274222), (156, 200393), (159, 196612), (199, 157092), (212, 147459), (228, 137111), (247, 126564), (318, 98306), (398, 78546), (494, 63282), (597, 52364), (636, 49153), (689, 45372), (741, 42188), (796, 39273), (988, 31641), (1007, 31044), (1194, 26182), (1378, 22686), (1482, 21094), (2014, 15522), (2067, 15124), (2388, 13091), (2587, 12084), (2756, 11343), (2964, 10547), (3021, 10348), (3781, 8268), (4028, 7761), (4134, 7562), (5174, 6042)]