163944378

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 393993600

約数和(自身を除く): 230049222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 409, 571, 702, 818, 1142, 1227, 1713, 2454, 3426, 3681, 5139, 5317, 7362, 7423, 10278, 10634, 11043, 14846, 15417, 15951, 22086, 22269, 30834, 31902, 44538, 47853, 66807, 95706, 133614, 143559, 200421, 233539, 287118, 400842, 467078, 700617, 1401234, 2101851, 3036007, 4203702, 6072014, 6305553, 9108021, 12611106, 18216042, 27324063, 54648126, 81972189, 163944378]

約数ペア:

[(1, 163944378), (2, 81972189), (3, 54648126), (6, 27324063), (9, 18216042), (13, 12611106), (18, 9108021), (26, 6305553), (27, 6072014), (39, 4203702), (54, 3036007), (78, 2101851), (117, 1401234), (234, 700617), (351, 467078), (409, 400842), (571, 287118), (702, 233539), (818, 200421), (1142, 143559), (1227, 133614), (1713, 95706), (2454, 66807), (3426, 47853), (3681, 44538), (5139, 31902), (5317, 30834), (7362, 22269), (7423, 22086), (10278, 15951), (10634, 15417), (11043, 14846)]