28308336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 84232704

約数和(自身を除く): 55924368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 173, 336, 346, 487, 519, 692, 974, 1038, 1211, 1384, 1461, 1948, 2076, 2422, 2768, 2922, 3409, 3633, 3896, 4152, 4844, 5844, 6818, 7266, 7792, 8304, 9688, 10227, 11688, 13636, 14532, 19376, 20454, 23376, 27272, 29064, 40908, 54544, 58128, 81816, 84251, 163632, 168502, 252753, 337004, 505506, 589757, 674008, 1011012, 1179514, 1348016, 1769271, 2022024, 2359028, 3538542, 4044048, 4718056, 7077084, 9436112, 14154168, 28308336]

約数ペア:

[(1, 28308336), (2, 14154168), (3, 9436112), (4, 7077084), (6, 4718056), (7, 4044048), (8, 3538542), (12, 2359028), (14, 2022024), (16, 1769271), (21, 1348016), (24, 1179514), (28, 1011012), (42, 674008), (48, 589757), (56, 505506), (84, 337004), (112, 252753), (168, 168502), (173, 163632), (336, 84251), (346, 81816), (487, 58128), (519, 54544), (692, 40908), (974, 29064), (1038, 27272), (1211, 23376), (1384, 20454), (1461, 19376), (1948, 14532), (2076, 13636), (2422, 11688), (2768, 10227), (2922, 9688), (3409, 8304), (3633, 7792), (3896, 7266), (4152, 6818), (4844, 5844)]