389417882

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{1607}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 703918080

約数和(自身を除く): 314500198

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 911, 1607, 1822, 3214, 6377, 11249, 12754, 17309, 22498, 30533, 34618, 61066, 121163, 213731, 242326, 427462, 1463977, 2927954, 10247839, 20495678, 27815563, 55631126, 194708941, 389417882]

約数ペア:

[(1, 389417882), (2, 194708941), (7, 55631126), (14, 27815563), (19, 20495678), (38, 10247839), (133, 2927954), (266, 1463977), (911, 427462), (1607, 242326), (1822, 213731), (3214, 121163), (6377, 61066), (11249, 34618), (12754, 30533), (17309, 22498)]