491808304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 1072431360

約数和(自身を除く): 580623056

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 89, 104, 124, 178, 208, 248, 356, 403, 496, 712, 806, 857, 1157, 1424, 1612, 1714, 2314, 2759, 3224, 3428, 4628, 5518, 6448, 6856, 9256, 11036, 11141, 13712, 18512, 22072, 22282, 26567, 35867, 44144, 44564, 53134, 71734, 76273, 89128, 106268, 143468, 152546, 178256, 212536, 286936, 305092, 345371, 425072, 573872, 610184, 690742, 991549, 1220368, 1381484, 1983098, 2364463, 2762968, 3966196, 4728926, 5525936, 7932392, 9457852, 15864784, 18915704, 30738019, 37831408, 61476038, 122952076, 245904152, 491808304]

約数ペア:

[(1, 491808304), (2, 245904152), (4, 122952076), (8, 61476038), (13, 37831408), (16, 30738019), (26, 18915704), (31, 15864784), (52, 9457852), (62, 7932392), (89, 5525936), (104, 4728926), (124, 3966196), (178, 2762968), (208, 2364463), (248, 1983098), (356, 1381484), (403, 1220368), (496, 991549), (712, 690742), (806, 610184), (857, 573872), (1157, 425072), (1424, 345371), (1612, 305092), (1714, 286936), (2314, 212536), (2759, 178256), (3224, 152546), (3428, 143468), (4628, 106268), (5518, 89128), (6448, 76273), (6856, 71734), (9256, 53134), (11036, 44564), (11141, 44144), (13712, 35867), (18512, 26567), (22072, 22282)]