840293998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 1319205888

約数和(自身を除く): 478911890

約数列:

[1, 2, 31, 62, 131, 262, 307, 337, 614, 674, 4061, 8122, 9517, 10447, 19034, 20894, 40217, 44147, 80434, 88294, 103459, 206918, 1246727, 1368557, 2493454, 2737114, 3207229, 6414458, 13553129, 27106258, 420146999, 840293998]

約数ペア:

[(1, 840293998), (2, 420146999), (31, 27106258), (62, 13553129), (131, 6414458), (262, 3207229), (307, 2737114), (337, 2493454), (614, 1368557), (674, 1246727), (4061, 206918), (8122, 103459), (9517, 88294), (10447, 80434), (19034, 44147), (20894, 40217)]