28815948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2847

約数の個数: 72

約数和(自身を含む): 85307040

約数和(自身を除く): 56491092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 2789, 3444, 5166, 5578, 8367, 10332, 11156, 16734, 19523, 25101, 33468, 39046, 50202, 58569, 78092, 100404, 114349, 117138, 175707, 228698, 234276, 343047, 351414, 457396, 686094, 702828, 800443, 1029141, 1372188, 1600886, 2058282, 2401329, 3201772, 4116564, 4802658, 7203987, 9605316, 14407974, 28815948]

約数ペア:

[(1, 28815948), (2, 14407974), (3, 9605316), (4, 7203987), (6, 4802658), (7, 4116564), (9, 3201772), (12, 2401329), (14, 2058282), (18, 1600886), (21, 1372188), (28, 1029141), (36, 800443), (41, 702828), (42, 686094), (63, 457396), (82, 351414), (84, 343047), (123, 234276), (126, 228698), (164, 175707), (246, 117138), (252, 114349), (287, 100404), (369, 78092), (492, 58569), (574, 50202), (738, 39046), (861, 33468), (1148, 25101), (1476, 19523), (1722, 16734), (2583, 11156), (2789, 10332), (3444, 8367), (5166, 5578)]