397907856

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{12973}}^1$

素因数の和:13061

約数の個数: 80

約数和(自身を含む): 1158318720

約数和(自身を除く): 760410864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 852, 1136, 1278, 1704, 1917, 2556, 3408, 3834, 5112, 7668, 10224, 12973, 15336, 25946, 30672, 38919, 51892, 77838, 103784, 116757, 155676, 207568, 233514, 311352, 350271, 467028, 622704, 700542, 921083, 934056, 1401084, 1842166, 1868112, 2763249, 2802168, 3684332, 5526498, 5604336, 7368664, 8289747, 11052996, 14737328, 16579494, 22105992, 24869241, 33158988, 44211984, 49738482, 66317976, 99476964, 132635952, 198953928, 397907856]

約数ペア:

[(1, 397907856), (2, 198953928), (3, 132635952), (4, 99476964), (6, 66317976), (8, 49738482), (9, 44211984), (12, 33158988), (16, 24869241), (18, 22105992), (24, 16579494), (27, 14737328), (36, 11052996), (48, 8289747), (54, 7368664), (71, 5604336), (72, 5526498), (108, 3684332), (142, 2802168), (144, 2763249), (213, 1868112), (216, 1842166), (284, 1401084), (426, 934056), (432, 921083), (568, 700542), (639, 622704), (852, 467028), (1136, 350271), (1278, 311352), (1704, 233514), (1917, 207568), (2556, 155676), (3408, 116757), (3834, 103784), (5112, 77838), (7668, 51892), (10224, 38919), (12973, 30672), (15336, 25946)]