31398906

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 85248000

約数和(自身を除く): 53849094

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 49, 57, 66, 73, 77, 98, 114, 133, 146, 147, 154, 209, 219, 231, 266, 294, 343, 399, 418, 438, 462, 511, 539, 627, 686, 798, 803, 931, 1022, 1029, 1078, 1254, 1387, 1463, 1533, 1606, 1617, 1862, 2058, 2409, 2774, 2793, 2926, 3066, 3234, 3577, 3773, 4161, 4389, 4818, 5586, 5621, 6517, 7154, 7546, 8322, 8778, 9709, 10241, 10731, 11242, 11319, 13034, 15257, 16863, 19418, 19551, 20482, 21462, 22638, 25039, 29127, 30514, 30723, 33726, 39102, 39347, 45771, 50078, 58254, 61446, 67963, 71687, 75117, 78694, 91542, 106799, 118041, 135926, 143374, 150234, 203889, 213598, 215061, 236082, 275429, 320397, 407778, 430122, 475741, 550858, 640794, 747593, 826287, 951482, 1427223, 1495186, 1652574, 2242779, 2854446, 4485558, 5233151, 10466302, 15699453, 31398906]

約数ペア:

[(1, 31398906), (2, 15699453), (3, 10466302), (6, 5233151), (7, 4485558), (11, 2854446), (14, 2242779), (19, 1652574), (21, 1495186), (22, 1427223), (33, 951482), (38, 826287), (42, 747593), (49, 640794), (57, 550858), (66, 475741), (73, 430122), (77, 407778), (98, 320397), (114, 275429), (133, 236082), (146, 215061), (147, 213598), (154, 203889), (209, 150234), (219, 143374), (231, 135926), (266, 118041), (294, 106799), (343, 91542), (399, 78694), (418, 75117), (438, 71687), (462, 67963), (511, 61446), (539, 58254), (627, 50078), (686, 45771), (798, 39347), (803, 39102), (931, 33726), (1022, 30723), (1029, 30514), (1078, 29127), (1254, 25039), (1387, 22638), (1463, 21462), (1533, 20482), (1606, 19551), (1617, 19418), (1862, 16863), (2058, 15257), (2409, 13034), (2774, 11319), (2793, 11242), (2926, 10731), (3066, 10241), (3234, 9709), (3577, 8778), (3773, 8322), (4161, 7546), (4389, 7154), (4818, 6517), (5586, 5621)]