988778898

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{22159}}^1$

素因数の和:22271

約数の個数: 48

約数和(自身を含む): 2233196160

約数和(自身を除く): 1244417262

約数列:

[1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 603, 666, 1206, 2479, 4958, 7437, 14874, 22159, 22311, 44318, 44622, 66477, 132954, 199431, 398862, 819883, 1484653, 1639766, 2459649, 2969306, 4453959, 4919298, 7378947, 8907918, 13361877, 14757894, 26723754, 54932161, 109864322, 164796483, 329592966, 494389449, 988778898]

約数ペア:

[(1, 988778898), (2, 494389449), (3, 329592966), (6, 164796483), (9, 109864322), (18, 54932161), (37, 26723754), (67, 14757894), (74, 13361877), (111, 8907918), (134, 7378947), (201, 4919298), (222, 4453959), (333, 2969306), (402, 2459649), (603, 1639766), (666, 1484653), (1206, 819883), (2479, 398862), (4958, 199431), (7437, 132954), (14874, 66477), (22159, 44622), (22311, 44318)]