645396636

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 1687392000

約数和(自身を除く): 1041995364

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 269, 323, 538, 619, 646, 807, 969, 1076, 1238, 1292, 1614, 1857, 1938, 2476, 3228, 3714, 3876, 4573, 5111, 7428, 9146, 10222, 10523, 11761, 13719, 15333, 18292, 20444, 21046, 23522, 27438, 30666, 31569, 35283, 42092, 47044, 54876, 61332, 63138, 70566, 86887, 126276, 141132, 166511, 173774, 199937, 260661, 333022, 347548, 399874, 499533, 521322, 599811, 666044, 799748, 999066, 1042644, 1199622, 1998132, 2399244, 2830687, 3163709, 5661374, 6327418, 8492061, 9491127, 11322748, 12654836, 16984122, 18982254, 33968244, 37964508, 53783053, 107566106, 161349159, 215132212, 322698318, 645396636]

約数ペア:

[(1, 645396636), (2, 322698318), (3, 215132212), (4, 161349159), (6, 107566106), (12, 53783053), (17, 37964508), (19, 33968244), (34, 18982254), (38, 16984122), (51, 12654836), (57, 11322748), (68, 9491127), (76, 8492061), (102, 6327418), (114, 5661374), (204, 3163709), (228, 2830687), (269, 2399244), (323, 1998132), (538, 1199622), (619, 1042644), (646, 999066), (807, 799748), (969, 666044), (1076, 599811), (1238, 521322), (1292, 499533), (1614, 399874), (1857, 347548), (1938, 333022), (2476, 260661), (3228, 199937), (3714, 173774), (3876, 166511), (4573, 141132), (5111, 126276), (7428, 86887), (9146, 70566), (10222, 63138), (10523, 61332), (11761, 54876), (13719, 47044), (15333, 42092), (18292, 35283), (20444, 31569), (21046, 30666), (23522, 27438)]