278848908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8893}}^1$

素因数の和:8983

約数の個数: 72

約数和(自身を含む): 770505008

約数和(自身を除く): 491656100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 8893, 10452, 15678, 17786, 26679, 31356, 35572, 53358, 80037, 106716, 115609, 160074, 231218, 320148, 346827, 462436, 595831, 693654, 1040481, 1191662, 1387308, 1787493, 2080962, 2383324, 3574986, 4161924, 5362479, 7149972, 7745803, 10724958, 15491606, 21449916, 23237409, 30983212, 46474818, 69712227, 92949636, 139424454, 278848908]

約数ペア:

[(1, 278848908), (2, 139424454), (3, 92949636), (4, 69712227), (6, 46474818), (9, 30983212), (12, 23237409), (13, 21449916), (18, 15491606), (26, 10724958), (36, 7745803), (39, 7149972), (52, 5362479), (67, 4161924), (78, 3574986), (117, 2383324), (134, 2080962), (156, 1787493), (201, 1387308), (234, 1191662), (268, 1040481), (402, 693654), (468, 595831), (603, 462436), (804, 346827), (871, 320148), (1206, 231218), (1742, 160074), (2412, 115609), (2613, 106716), (3484, 80037), (5226, 53358), (7839, 35572), (8893, 31356), (10452, 26679), (15678, 17786)]