12884725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 19927296

約数和(自身を除く): 7042571

約数列:

[1, 5, 7, 17, 25, 35, 61, 71, 85, 119, 175, 305, 355, 425, 427, 497, 595, 1037, 1207, 1525, 1775, 2135, 2485, 2975, 4331, 5185, 6035, 7259, 8449, 10675, 12425, 21655, 25925, 30175, 30317, 36295, 42245, 73627, 108275, 151585, 181475, 211225, 368135, 515389, 757925, 1840675, 2576945, 12884725]

約数ペア:

[(1, 12884725), (5, 2576945), (7, 1840675), (17, 757925), (25, 515389), (35, 368135), (61, 211225), (71, 181475), (85, 151585), (119, 108275), (175, 73627), (305, 42245), (355, 36295), (425, 30317), (427, 30175), (497, 25925), (595, 21655), (1037, 12425), (1207, 10675), (1525, 8449), (1775, 7259), (2135, 6035), (2485, 5185), (2975, 4331)]