1262816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 2741760

約数和(自身を除く): 1478944

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 67, 76, 124, 134, 152, 248, 268, 304, 496, 536, 589, 608, 992, 1072, 1178, 1273, 2077, 2144, 2356, 2546, 4154, 4712, 5092, 8308, 9424, 10184, 16616, 18848, 20368, 33232, 39463, 40736, 66464, 78926, 157852, 315704, 631408, 1262816]

約数ペア:

[(1, 1262816), (2, 631408), (4, 315704), (8, 157852), (16, 78926), (19, 66464), (31, 40736), (32, 39463), (38, 33232), (62, 20368), (67, 18848), (76, 16616), (124, 10184), (134, 9424), (152, 8308), (248, 5092), (268, 4712), (304, 4154), (496, 2546), (536, 2356), (589, 2144), (608, 2077), (992, 1273), (1072, 1178)]