664390076

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 1398033504

約数和(自身を除く): 733643428

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 313, 574, 602, 626, 1148, 1204, 1252, 1763, 1849, 2191, 3526, 3698, 4382, 7052, 7396, 8764, 12341, 12833, 12943, 13459, 24682, 25666, 25886, 26918, 49364, 51332, 51772, 53836, 75809, 89831, 94213, 151618, 179662, 188426, 303236, 359324, 376852, 530663, 551819, 578737, 1061326, 1103638, 1157474, 2122652, 2207276, 2314948, 3862733, 4051159, 7725466, 8102318, 15450932, 16204636, 23728217, 47456434, 94912868, 166097519, 332195038, 664390076]

約数ペア:

[(1, 664390076), (2, 332195038), (4, 166097519), (7, 94912868), (14, 47456434), (28, 23728217), (41, 16204636), (43, 15450932), (82, 8102318), (86, 7725466), (164, 4051159), (172, 3862733), (287, 2314948), (301, 2207276), (313, 2122652), (574, 1157474), (602, 1103638), (626, 1061326), (1148, 578737), (1204, 551819), (1252, 530663), (1763, 376852), (1849, 359324), (2191, 303236), (3526, 188426), (3698, 179662), (4382, 151618), (7052, 94213), (7396, 89831), (8764, 75809), (12341, 53836), (12833, 51772), (12943, 51332), (13459, 49364), (24682, 26918), (25666, 25886)]