209935548

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 543641280

約数和(自身を除く): 333705732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 97, 158, 194, 237, 291, 316, 388, 474, 582, 711, 761, 873, 948, 1164, 1422, 1522, 1746, 2283, 2844, 3044, 3492, 4566, 6849, 7663, 9132, 13698, 15326, 22989, 27396, 30652, 45978, 60119, 68967, 73817, 91956, 120238, 137934, 147634, 180357, 221451, 240476, 275868, 295268, 360714, 442902, 541071, 664353, 721428, 885804, 1082142, 1328706, 2164284, 2657412, 5831543, 11663086, 17494629, 23326172, 34989258, 52483887, 69978516, 104967774, 209935548]

約数ペア:

[(1, 209935548), (2, 104967774), (3, 69978516), (4, 52483887), (6, 34989258), (9, 23326172), (12, 17494629), (18, 11663086), (36, 5831543), (79, 2657412), (97, 2164284), (158, 1328706), (194, 1082142), (237, 885804), (291, 721428), (316, 664353), (388, 541071), (474, 442902), (582, 360714), (711, 295268), (761, 275868), (873, 240476), (948, 221451), (1164, 180357), (1422, 147634), (1522, 137934), (1746, 120238), (2283, 91956), (2844, 73817), (3044, 68967), (3492, 60119), (4566, 45978), (6849, 30652), (7663, 27396), (9132, 22989), (13698, 15326)]