644406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 1501440

約数和(自身を除く): 857034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 229, 402, 458, 469, 687, 938, 1374, 1407, 1603, 2814, 3206, 4809, 9618, 15343, 30686, 46029, 92058, 107401, 214802, 322203, 644406]

約数ペア:

[(1, 644406), (2, 322203), (3, 214802), (6, 107401), (7, 92058), (14, 46029), (21, 30686), (42, 15343), (67, 9618), (134, 4809), (201, 3206), (229, 2814), (402, 1603), (458, 1407), (469, 1374), (687, 938)]