261341496

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{279211}}^1$

素因数の和:279236

約数の個数: 48

約数和(自身を含む): 762248760

約数和(自身を除く): 500907264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 279211, 558422, 837633, 1116844, 1675266, 2233688, 2512899, 3350532, 3629743, 5025798, 6701064, 7259486, 10051596, 10889229, 14518972, 20103192, 21778458, 29037944, 32667687, 43556916, 65335374, 87113832, 130670748, 261341496]

約数ペア:

[(1, 261341496), (2, 130670748), (3, 87113832), (4, 65335374), (6, 43556916), (8, 32667687), (9, 29037944), (12, 21778458), (13, 20103192), (18, 14518972), (24, 10889229), (26, 10051596), (36, 7259486), (39, 6701064), (52, 5025798), (72, 3629743), (78, 3350532), (104, 2512899), (117, 2233688), (156, 1675266), (234, 1116844), (312, 837633), (468, 558422), (936, 279211)]