218998728

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{25997}}^1$

素因数の和:26028

約数の個数: 80

約数和(自身を含む): 660609180

約数和(自身を除く): 441610452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 25997, 51994, 77991, 103988, 155982, 207976, 233973, 311964, 337961, 467946, 623928, 675922, 701919, 935892, 1013883, 1351844, 1403838, 1871784, 2027766, 2105757, 2703688, 2807676, 3041649, 4055532, 4211514, 5615352, 6083298, 8111064, 8423028, 9124947, 12166596, 16846056, 18249894, 24333192, 27374841, 36499788, 54749682, 72999576, 109499364, 218998728]

約数ペア:

[(1, 218998728), (2, 109499364), (3, 72999576), (4, 54749682), (6, 36499788), (8, 27374841), (9, 24333192), (12, 18249894), (13, 16846056), (18, 12166596), (24, 9124947), (26, 8423028), (27, 8111064), (36, 6083298), (39, 5615352), (52, 4211514), (54, 4055532), (72, 3041649), (78, 2807676), (81, 2703688), (104, 2105757), (108, 2027766), (117, 1871784), (156, 1403838), (162, 1351844), (216, 1013883), (234, 935892), (312, 701919), (324, 675922), (351, 623928), (468, 467946), (648, 337961), (702, 311964), (936, 233973), (1053, 207976), (1404, 155982), (2106, 103988), (2808, 77991), (4212, 51994), (8424, 25997)]