204520316

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7297}}^1$

素因数の和:7339

約数の個数: 72

約数和(自身を含む): 489199536

約数和(自身を除く): 284679220

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 7297, 14014, 14594, 28028, 29188, 51079, 80267, 94861, 102158, 160534, 189722, 204316, 321068, 357553, 379444, 561869, 664027, 715106, 1043471, 1123738, 1328054, 1430212, 2086942, 2247476, 2656108, 3933083, 4173884, 4648189, 7304297, 7866166, 9296378, 14608594, 15732332, 18592756, 29217188, 51130079, 102260158, 204520316]

約数ペア:

[(1, 204520316), (2, 102260158), (4, 51130079), (7, 29217188), (11, 18592756), (13, 15732332), (14, 14608594), (22, 9296378), (26, 7866166), (28, 7304297), (44, 4648189), (49, 4173884), (52, 3933083), (77, 2656108), (91, 2247476), (98, 2086942), (143, 1430212), (154, 1328054), (182, 1123738), (196, 1043471), (286, 715106), (308, 664027), (364, 561869), (539, 379444), (572, 357553), (637, 321068), (1001, 204316), (1078, 189722), (1274, 160534), (2002, 102158), (2156, 94861), (2548, 80267), (4004, 51079), (7007, 29188), (7297, 28028), (14014, 14594)]