278324085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 512967168

約数和(自身を除く): 234643083

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 113, 195, 221, 255, 339, 565, 663, 743, 1105, 1469, 1695, 1921, 2229, 3315, 3715, 4407, 5763, 7345, 9605, 9659, 11145, 12631, 22035, 24973, 28815, 28977, 37893, 48295, 63155, 74919, 83959, 124865, 144885, 164203, 189465, 251877, 374595, 419795, 492609, 821015, 1091467, 1259385, 1427303, 2463045, 3274401, 4281909, 5457335, 7136515, 16372005, 18554939, 21409545, 55664817, 92774695, 278324085]

約数ペア:

[(1, 278324085), (3, 92774695), (5, 55664817), (13, 21409545), (15, 18554939), (17, 16372005), (39, 7136515), (51, 5457335), (65, 4281909), (85, 3274401), (113, 2463045), (195, 1427303), (221, 1259385), (255, 1091467), (339, 821015), (565, 492609), (663, 419795), (743, 374595), (1105, 251877), (1469, 189465), (1695, 164203), (1921, 144885), (2229, 124865), (3315, 83959), (3715, 74919), (4407, 63155), (5763, 48295), (7345, 37893), (9605, 28977), (9659, 28815), (11145, 24973), (12631, 22035)]