494289172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 980528640

約数和(自身を除く): 486239468

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 169, 206, 229, 338, 403, 412, 458, 676, 806, 916, 1339, 1612, 2678, 2977, 3193, 5239, 5356, 5954, 6386, 7099, 10478, 11908, 12772, 14198, 17407, 20956, 23587, 28396, 34814, 38701, 41509, 47174, 69628, 77402, 83018, 92287, 94348, 154804, 166036, 184574, 306631, 369148, 539617, 613262, 731197, 1079234, 1199731, 1226524, 1462394, 2158468, 2399462, 2924788, 3986203, 4798924, 7972406, 9505561, 15944812, 19011122, 38022244, 123572293, 247144586, 494289172]

約数ペア:

[(1, 494289172), (2, 247144586), (4, 123572293), (13, 38022244), (26, 19011122), (31, 15944812), (52, 9505561), (62, 7972406), (103, 4798924), (124, 3986203), (169, 2924788), (206, 2399462), (229, 2158468), (338, 1462394), (403, 1226524), (412, 1199731), (458, 1079234), (676, 731197), (806, 613262), (916, 539617), (1339, 369148), (1612, 306631), (2678, 184574), (2977, 166036), (3193, 154804), (5239, 94348), (5356, 92287), (5954, 83018), (6386, 77402), (7099, 69628), (10478, 47174), (11908, 41509), (12772, 38701), (14198, 34814), (17407, 28396), (20956, 23587)]