646388284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 1215285120

約数和(自身を除く): 568896836

約数列:

[1, 2, 4, 19, 38, 76, 101, 107, 202, 214, 404, 428, 787, 1574, 1919, 2033, 3148, 3838, 4066, 7676, 8132, 10807, 14953, 21614, 29906, 43228, 59812, 79487, 84209, 158974, 168418, 205333, 317948, 336836, 410666, 821332, 1510253, 1599971, 3020506, 3199942, 6041012, 6399884, 8505109, 17010218, 34020436, 161597071, 323194142, 646388284]

約数ペア:

[(1, 646388284), (2, 323194142), (4, 161597071), (19, 34020436), (38, 17010218), (76, 8505109), (101, 6399884), (107, 6041012), (202, 3199942), (214, 3020506), (404, 1599971), (428, 1510253), (787, 821332), (1574, 410666), (1919, 336836), (2033, 317948), (3148, 205333), (3838, 168418), (4066, 158974), (7676, 84209), (8132, 79487), (10807, 59812), (14953, 43228), (21614, 29906)]