28478568

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^3\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 75585600

約数和(自身を除く): 47107032

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 173, 228, 346, 361, 456, 519, 692, 722, 1038, 1083, 1384, 1444, 2076, 2166, 2888, 3287, 4152, 4332, 6574, 6859, 8664, 9861, 13148, 13718, 19722, 20577, 26296, 27436, 39444, 41154, 54872, 62453, 78888, 82308, 124906, 164616, 187359, 249812, 374718, 499624, 749436, 1186607, 1498872, 2373214, 3559821, 4746428, 7119642, 9492856, 14239284, 28478568]

約数ペア:

[(1, 28478568), (2, 14239284), (3, 9492856), (4, 7119642), (6, 4746428), (8, 3559821), (12, 2373214), (19, 1498872), (24, 1186607), (38, 749436), (57, 499624), (76, 374718), (114, 249812), (152, 187359), (173, 164616), (228, 124906), (346, 82308), (361, 78888), (456, 62453), (519, 54872), (692, 41154), (722, 39444), (1038, 27436), (1083, 26296), (1384, 20577), (1444, 19722), (2076, 13718), (2166, 13148), (2888, 9861), (3287, 8664), (4152, 6859), (4332, 6574)]