217278906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 481178880

約数和(自身を除く): 263899974

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 169, 311, 318, 338, 507, 622, 689, 933, 1014, 1378, 1866, 2067, 2197, 4043, 4134, 4394, 6591, 8086, 8957, 12129, 13182, 16483, 17914, 24258, 26871, 32966, 49449, 52559, 53742, 98898, 105118, 116441, 157677, 214279, 232882, 315354, 349323, 428558, 642837, 683267, 698646, 1285674, 1366534, 2049801, 2785627, 4099602, 5571254, 8356881, 16713762, 36213151, 72426302, 108639453, 217278906]

約数ペア:

[(1, 217278906), (2, 108639453), (3, 72426302), (6, 36213151), (13, 16713762), (26, 8356881), (39, 5571254), (53, 4099602), (78, 2785627), (106, 2049801), (159, 1366534), (169, 1285674), (311, 698646), (318, 683267), (338, 642837), (507, 428558), (622, 349323), (689, 315354), (933, 232882), (1014, 214279), (1378, 157677), (1866, 116441), (2067, 105118), (2197, 98898), (4043, 53742), (4134, 52559), (4394, 49449), (6591, 32966), (8086, 26871), (8957, 24258), (12129, 17914), (13182, 16483)]