420243938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 676641600

約数和(自身を除く): 256397662

約数列:

[1, 2, 19, 38, 89, 137, 178, 274, 907, 1691, 1814, 2603, 3382, 5206, 12193, 17233, 24386, 34466, 80723, 124259, 161446, 231667, 248518, 463334, 1533737, 2360921, 3067474, 4721842, 11059051, 22118102, 210121969, 420243938]

約数ペア:

[(1, 420243938), (2, 210121969), (19, 22118102), (38, 11059051), (89, 4721842), (137, 3067474), (178, 2360921), (274, 1533737), (907, 463334), (1691, 248518), (1814, 231667), (2603, 161446), (3382, 124259), (5206, 80723), (12193, 34466), (17233, 24386)]