321397648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8263}}^1$

素因数の和:8312

約数の個数: 80

約数和(自身を含む): 774700416

約数和(自身を除く): 453302768

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 8263, 9724, 16526, 19448, 33052, 38896, 66104, 90893, 107419, 132208, 140471, 181786, 214838, 280942, 363572, 429676, 561884, 727144, 859352, 1123768, 1181609, 1454288, 1545181, 1718704, 1826123, 2247536, 2363218, 3090362, 3652246, 4726436, 6180724, 7304492, 9452872, 12361448, 14608984, 18905744, 20087353, 24722896, 29217968, 40174706, 80349412, 160698824, 321397648]

約数ペア:

[(1, 321397648), (2, 160698824), (4, 80349412), (8, 40174706), (11, 29217968), (13, 24722896), (16, 20087353), (17, 18905744), (22, 14608984), (26, 12361448), (34, 9452872), (44, 7304492), (52, 6180724), (68, 4726436), (88, 3652246), (104, 3090362), (136, 2363218), (143, 2247536), (176, 1826123), (187, 1718704), (208, 1545181), (221, 1454288), (272, 1181609), (286, 1123768), (374, 859352), (442, 727144), (572, 561884), (748, 429676), (884, 363572), (1144, 280942), (1496, 214838), (1768, 181786), (2288, 140471), (2431, 132208), (2992, 107419), (3536, 90893), (4862, 66104), (8263, 38896), (9724, 33052), (16526, 19448)]