28090764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 77112672

約数和(自身を除く): 49021908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 193, 234, 311, 386, 468, 579, 622, 772, 933, 1158, 1244, 1737, 1866, 2316, 2509, 2799, 3474, 3732, 4043, 5018, 5598, 6948, 7527, 8086, 10036, 11196, 12129, 15054, 16172, 22581, 24258, 30108, 36387, 45162, 48516, 60023, 72774, 90324, 120046, 145548, 180069, 240092, 360138, 540207, 720276, 780299, 1080414, 1560598, 2160828, 2340897, 3121196, 4681794, 7022691, 9363588, 14045382, 28090764]

約数ペア:

[(1, 28090764), (2, 14045382), (3, 9363588), (4, 7022691), (6, 4681794), (9, 3121196), (12, 2340897), (13, 2160828), (18, 1560598), (26, 1080414), (36, 780299), (39, 720276), (52, 540207), (78, 360138), (117, 240092), (156, 180069), (193, 145548), (234, 120046), (311, 90324), (386, 72774), (468, 60023), (579, 48516), (622, 45162), (772, 36387), (933, 30108), (1158, 24258), (1244, 22581), (1737, 16172), (1866, 15054), (2316, 12129), (2509, 11196), (2799, 10036), (3474, 8086), (3732, 7527), (4043, 6948), (5018, 5598)]