256899170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75337}}^1$

素因数の和:75386

約数の個数: 32

約数和(自身を含む): 520736256

約数和(自身を除く): 263837086

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 75337, 150674, 376685, 753370, 828707, 1657414, 2335447, 4143535, 4670894, 8287070, 11677235, 23354470, 25689917, 51379834, 128449585, 256899170]

約数ペア:

[(1, 256899170), (2, 128449585), (5, 51379834), (10, 25689917), (11, 23354470), (22, 11677235), (31, 8287070), (55, 4670894), (62, 4143535), (110, 2335447), (155, 1657414), (310, 828707), (341, 753370), (682, 376685), (1705, 150674), (3410, 75337)]