28996506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20921}}^1$

素因数の和:20947

約数の個数: 48

約数和(自身を含む): 78331968

約数和(自身を除く): 49335462

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20921, 41842, 62763, 125526, 146447, 188289, 230131, 292894, 376578, 439341, 460262, 690393, 878682, 1318023, 1380786, 1610917, 2071179, 2636046, 3221834, 4142358, 4832751, 9665502, 14498253, 28996506]

約数ペア:

[(1, 28996506), (2, 14498253), (3, 9665502), (6, 4832751), (7, 4142358), (9, 3221834), (11, 2636046), (14, 2071179), (18, 1610917), (21, 1380786), (22, 1318023), (33, 878682), (42, 690393), (63, 460262), (66, 439341), (77, 376578), (99, 292894), (126, 230131), (154, 188289), (198, 146447), (231, 125526), (462, 62763), (693, 41842), (1386, 20921)]