28078870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 53187840

約数和(自身を除く): 25108970

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 1709, 3286, 3418, 8215, 8545, 16430, 17090, 52979, 90577, 105958, 181154, 264895, 452885, 529790, 905770, 2807887, 5615774, 14039435, 28078870]

約数ペア:

[(1, 28078870), (2, 14039435), (5, 5615774), (10, 2807887), (31, 905770), (53, 529790), (62, 452885), (106, 264895), (155, 181154), (265, 105958), (310, 90577), (530, 52979), (1643, 17090), (1709, 16430), (3286, 8545), (3418, 8215)]