28328508

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20203

約数の個数: 48

約数和(自身を含む): 79097760

約数和(自身を除く): 50769252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20177, 40354, 60531, 80708, 121062, 181593, 242124, 262301, 363186, 524602, 544779, 726372, 786903, 1049204, 1089558, 1573806, 2179116, 2360709, 3147612, 4721418, 7082127, 9442836, 14164254, 28328508]

約数ペア:

[(1, 28328508), (2, 14164254), (3, 9442836), (4, 7082127), (6, 4721418), (9, 3147612), (12, 2360709), (13, 2179116), (18, 1573806), (26, 1089558), (27, 1049204), (36, 786903), (39, 726372), (52, 544779), (54, 524602), (78, 363186), (108, 262301), (117, 242124), (156, 181593), (234, 121062), (351, 80708), (468, 60531), (702, 40354), (1404, 20177)]