648648464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1888

約数の個数: 80

約数和(自身を含む): 1406338560

約数和(自身を除く): 757690096

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 43, 62, 68, 86, 124, 136, 172, 248, 272, 344, 496, 527, 688, 731, 1054, 1333, 1462, 1789, 2108, 2666, 2924, 3578, 4216, 5332, 5848, 7156, 8432, 10664, 11696, 14312, 21328, 22661, 28624, 30413, 45322, 55459, 60826, 76927, 90644, 110918, 121652, 153854, 181288, 221836, 243304, 307708, 362576, 443672, 486608, 615416, 887344, 942803, 1230832, 1307759, 1885606, 2384737, 2615518, 3771212, 4769474, 5231036, 7542424, 9538948, 10462072, 15084848, 19077896, 20924144, 38155792, 40540529, 81081058, 162162116, 324324232, 648648464]

約数ペア:

[(1, 648648464), (2, 324324232), (4, 162162116), (8, 81081058), (16, 40540529), (17, 38155792), (31, 20924144), (34, 19077896), (43, 15084848), (62, 10462072), (68, 9538948), (86, 7542424), (124, 5231036), (136, 4769474), (172, 3771212), (248, 2615518), (272, 2384737), (344, 1885606), (496, 1307759), (527, 1230832), (688, 942803), (731, 887344), (1054, 615416), (1333, 486608), (1462, 443672), (1789, 362576), (2108, 307708), (2666, 243304), (2924, 221836), (3578, 181288), (4216, 153854), (5332, 121652), (5848, 110918), (7156, 90644), (8432, 76927), (10664, 60826), (11696, 55459), (14312, 45322), (21328, 30413), (22661, 28624)]