28279008

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:824

約数の個数: 72

約数和(自身を含む): 81081000

約数和(自身を除く): 52801992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 596, 659, 894, 1192, 1318, 1341, 1788, 1977, 2384, 2636, 2682, 3576, 3954, 4768, 5272, 5364, 5931, 7152, 7908, 10544, 10728, 11862, 14304, 15816, 21088, 21456, 23724, 31632, 42912, 47448, 63264, 94896, 98191, 189792, 196382, 294573, 392764, 589146, 785528, 883719, 1178292, 1571056, 1767438, 2356584, 3142112, 3534876, 4713168, 7069752, 9426336, 14139504, 28279008]

約数ペア:

[(1, 28279008), (2, 14139504), (3, 9426336), (4, 7069752), (6, 4713168), (8, 3534876), (9, 3142112), (12, 2356584), (16, 1767438), (18, 1571056), (24, 1178292), (32, 883719), (36, 785528), (48, 589146), (72, 392764), (96, 294573), (144, 196382), (149, 189792), (288, 98191), (298, 94896), (447, 63264), (596, 47448), (659, 42912), (894, 31632), (1192, 23724), (1318, 21456), (1341, 21088), (1788, 15816), (1977, 14304), (2384, 11862), (2636, 10728), (2682, 10544), (3576, 7908), (3954, 7152), (4768, 5931), (5272, 5364)]