28507788

素因数分解:

$2^2\times 3^5\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 75624640

約数和(自身を除く): 47116852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 211, 243, 278, 324, 417, 422, 486, 556, 633, 834, 844, 972, 1251, 1266, 1668, 1899, 2502, 2532, 3753, 3798, 5004, 5697, 7506, 7596, 11259, 11394, 15012, 17091, 22518, 22788, 29329, 33777, 34182, 45036, 51273, 58658, 67554, 68364, 87987, 102546, 117316, 135108, 175974, 205092, 263961, 351948, 527922, 791883, 1055844, 1583766, 2375649, 3167532, 4751298, 7126947, 9502596, 14253894, 28507788]

約数ペア:

[(1, 28507788), (2, 14253894), (3, 9502596), (4, 7126947), (6, 4751298), (9, 3167532), (12, 2375649), (18, 1583766), (27, 1055844), (36, 791883), (54, 527922), (81, 351948), (108, 263961), (139, 205092), (162, 175974), (211, 135108), (243, 117316), (278, 102546), (324, 87987), (417, 68364), (422, 67554), (486, 58658), (556, 51273), (633, 45036), (834, 34182), (844, 33777), (972, 29329), (1251, 22788), (1266, 22518), (1668, 17091), (1899, 15012), (2502, 11394), (2532, 11259), (3753, 7596), (3798, 7506), (5004, 5697)]