261347688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{172849}}^1$

素因数の和:172871

約数の個数: 64

約数和(自身を含む): 829680000

約数和(自身を除く): 568332312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 172849, 345698, 518547, 691396, 1037094, 1209943, 1382792, 1555641, 2074188, 2419886, 3111282, 3629829, 4148376, 4666923, 4839772, 6222564, 7259658, 9333846, 9679544, 10889487, 12445128, 14519316, 18667692, 21778974, 29038632, 32668461, 37335384, 43557948, 65336922, 87115896, 130673844, 261347688]

約数ペア:

[(1, 261347688), (2, 130673844), (3, 87115896), (4, 65336922), (6, 43557948), (7, 37335384), (8, 32668461), (9, 29038632), (12, 21778974), (14, 18667692), (18, 14519316), (21, 12445128), (24, 10889487), (27, 9679544), (28, 9333846), (36, 7259658), (42, 6222564), (54, 4839772), (56, 4666923), (63, 4148376), (72, 3629829), (84, 3111282), (108, 2419886), (126, 2074188), (168, 1555641), (189, 1382792), (216, 1209943), (252, 1037094), (378, 691396), (504, 518547), (756, 345698), (1512, 172849)]