978644268

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{61643}}^1$

素因数の和:61673

約数の個数: 90

約数和(自身を含む): 2976110676

約数和(自身を除く): 1997466408

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 61643, 123286, 184929, 246572, 369858, 431501, 554787, 739716, 863002, 1109574, 1294503, 1664361, 1726004, 2219148, 2589006, 3020507, 3328722, 3883509, 4993083, 5178012, 6041014, 6657444, 7767018, 9061521, 9986166, 11650527, 12082028, 15534036, 18123042, 19972332, 23301054, 27184563, 34951581, 36246084, 46602108, 54369126, 69903162, 81553689, 108738252, 139806324, 163107378, 244661067, 326214756, 489322134, 978644268]

約数ペア:

[(1, 978644268), (2, 489322134), (3, 326214756), (4, 244661067), (6, 163107378), (7, 139806324), (9, 108738252), (12, 81553689), (14, 69903162), (18, 54369126), (21, 46602108), (27, 36246084), (28, 34951581), (36, 27184563), (42, 23301054), (49, 19972332), (54, 18123042), (63, 15534036), (81, 12082028), (84, 11650527), (98, 9986166), (108, 9061521), (126, 7767018), (147, 6657444), (162, 6041014), (189, 5178012), (196, 4993083), (252, 3883509), (294, 3328722), (324, 3020507), (378, 2589006), (441, 2219148), (567, 1726004), (588, 1664361), (756, 1294503), (882, 1109574), (1134, 863002), (1323, 739716), (1764, 554787), (2268, 431501), (2646, 369858), (3969, 246572), (5292, 184929), (7938, 123286), (15876, 61643)]