28381072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 56996352

約数和(自身を除く): 28615280

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 191, 251, 296, 382, 502, 592, 764, 1004, 1528, 2008, 3056, 4016, 7067, 9287, 14134, 18574, 28268, 37148, 47941, 56536, 74296, 95882, 113072, 148592, 191764, 383528, 767056, 1773817, 3547634, 7095268, 14190536, 28381072]

約数ペア:

[(1, 28381072), (2, 14190536), (4, 7095268), (8, 3547634), (16, 1773817), (37, 767056), (74, 383528), (148, 191764), (191, 148592), (251, 113072), (296, 95882), (382, 74296), (502, 56536), (592, 47941), (764, 37148), (1004, 28268), (1528, 18574), (2008, 14134), (3056, 9287), (4016, 7067)]