28987164

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^2\times {\mathrm{479}}^1$

素因数の和:571

約数の個数: 54

約数和(自身を含む): 75260640

約数和(自身を除く): 46273476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 479, 492, 738, 958, 1437, 1476, 1681, 1916, 2874, 3362, 4311, 5043, 5748, 6724, 8622, 10086, 15129, 17244, 19639, 20172, 30258, 39278, 58917, 60516, 78556, 117834, 176751, 235668, 353502, 707004, 805199, 1610398, 2415597, 3220796, 4831194, 7246791, 9662388, 14493582, 28987164]

約数ペア:

[(1, 28987164), (2, 14493582), (3, 9662388), (4, 7246791), (6, 4831194), (9, 3220796), (12, 2415597), (18, 1610398), (36, 805199), (41, 707004), (82, 353502), (123, 235668), (164, 176751), (246, 117834), (369, 78556), (479, 60516), (492, 58917), (738, 39278), (958, 30258), (1437, 20172), (1476, 19639), (1681, 17244), (1916, 15129), (2874, 10086), (3362, 8622), (4311, 6724), (5043, 5748)]