81644672

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 174420000

約数和(自身を除く): 92775328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 304, 472, 569, 608, 944, 1121, 1138, 1216, 1888, 2242, 2276, 2432, 3776, 4484, 4552, 7552, 8968, 9104, 10811, 17936, 18208, 21622, 33571, 35872, 36416, 43244, 67142, 71744, 72832, 86488, 134284, 143488, 172976, 268568, 345952, 537136, 637849, 691904, 1074272, 1275698, 1383808, 2148544, 2551396, 4297088, 5102792, 10205584, 20411168, 40822336, 81644672]

約数ペア:

[(1, 81644672), (2, 40822336), (4, 20411168), (8, 10205584), (16, 5102792), (19, 4297088), (32, 2551396), (38, 2148544), (59, 1383808), (64, 1275698), (76, 1074272), (118, 691904), (128, 637849), (152, 537136), (236, 345952), (304, 268568), (472, 172976), (569, 143488), (608, 134284), (944, 86488), (1121, 72832), (1138, 71744), (1216, 67142), (1888, 43244), (2242, 36416), (2276, 35872), (2432, 33571), (3776, 21622), (4484, 18208), (4552, 17936), (7552, 10811), (8968, 9104)]