664812176

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 1501808640

約数和(自身を除く): 836996464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 227, 316, 331, 454, 553, 632, 662, 908, 1106, 1264, 1324, 1589, 1816, 2212, 2317, 2648, 3178, 3632, 4424, 4634, 5296, 6356, 8848, 9268, 12712, 17933, 18536, 25424, 26149, 35866, 37072, 52298, 71732, 75137, 104596, 125531, 143464, 150274, 183043, 209192, 251062, 286928, 300548, 366086, 418384, 502124, 525959, 601096, 732172, 1004248, 1051918, 1202192, 1464344, 2008496, 2103836, 2928688, 4207672, 5935823, 8415344, 11871646, 23743292, 41550761, 47486584, 83101522, 94973168, 166203044, 332406088, 664812176]

約数ペア:

[(1, 664812176), (2, 332406088), (4, 166203044), (7, 94973168), (8, 83101522), (14, 47486584), (16, 41550761), (28, 23743292), (56, 11871646), (79, 8415344), (112, 5935823), (158, 4207672), (227, 2928688), (316, 2103836), (331, 2008496), (454, 1464344), (553, 1202192), (632, 1051918), (662, 1004248), (908, 732172), (1106, 601096), (1264, 525959), (1324, 502124), (1589, 418384), (1816, 366086), (2212, 300548), (2317, 286928), (2648, 251062), (3178, 209192), (3632, 183043), (4424, 150274), (4634, 143464), (5296, 125531), (6356, 104596), (8848, 75137), (9268, 71732), (12712, 52298), (17933, 37072), (18536, 35866), (25424, 26149)]