621726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 1444608

約数和(自身を除く): 822882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 131, 226, 262, 339, 393, 678, 786, 791, 917, 1582, 1834, 2373, 2751, 4746, 5502, 14803, 29606, 44409, 88818, 103621, 207242, 310863, 621726]

約数ペア:

[(1, 621726), (2, 310863), (3, 207242), (6, 103621), (7, 88818), (14, 44409), (21, 29606), (42, 14803), (113, 5502), (131, 4746), (226, 2751), (262, 2373), (339, 1834), (393, 1582), (678, 917), (786, 791)]