642017192

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 1299350430

約数和(自身を除く): 657333238

約数列:

[1, 2, 4, 8, 31, 37, 61, 62, 74, 122, 124, 148, 244, 248, 296, 488, 961, 1147, 1369, 1891, 1922, 2257, 2294, 2738, 3782, 3844, 4514, 4588, 5476, 7564, 7688, 9028, 9176, 10952, 15128, 18056, 35557, 42439, 58621, 69967, 71114, 83509, 84878, 117242, 139934, 142228, 167018, 169756, 234484, 279868, 284456, 334036, 339512, 468968, 559736, 668072, 1315609, 2168977, 2588779, 2631218, 4337954, 5177558, 5262436, 8675908, 10355116, 10524872, 17351816, 20710232, 80252149, 160504298, 321008596, 642017192]

約数ペア:

[(1, 642017192), (2, 321008596), (4, 160504298), (8, 80252149), (31, 20710232), (37, 17351816), (61, 10524872), (62, 10355116), (74, 8675908), (122, 5262436), (124, 5177558), (148, 4337954), (244, 2631218), (248, 2588779), (296, 2168977), (488, 1315609), (961, 668072), (1147, 559736), (1369, 468968), (1891, 339512), (1922, 334036), (2257, 284456), (2294, 279868), (2738, 234484), (3782, 169756), (3844, 167018), (4514, 142228), (4588, 139934), (5476, 117242), (7564, 84878), (7688, 83509), (9028, 71114), (9176, 69967), (10952, 58621), (15128, 42439), (18056, 35557)]