261707838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 615928320

約数和(自身を除く): 354220482

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 379, 401, 574, 758, 802, 861, 1137, 1203, 1722, 2274, 2406, 2653, 2807, 5306, 5614, 7959, 8421, 15539, 15918, 16441, 16842, 31078, 32882, 46617, 49323, 93234, 98646, 108773, 115087, 151979, 217546, 230174, 303958, 326319, 345261, 455937, 652638, 690522, 911874, 1063853, 2127706, 3191559, 6231139, 6383118, 12462278, 18693417, 37386834, 43617973, 87235946, 130853919, 261707838]

約数ペア:

[(1, 261707838), (2, 130853919), (3, 87235946), (6, 43617973), (7, 37386834), (14, 18693417), (21, 12462278), (41, 6383118), (42, 6231139), (82, 3191559), (123, 2127706), (246, 1063853), (287, 911874), (379, 690522), (401, 652638), (574, 455937), (758, 345261), (802, 326319), (861, 303958), (1137, 230174), (1203, 217546), (1722, 151979), (2274, 115087), (2406, 108773), (2653, 98646), (2807, 93234), (5306, 49323), (5614, 46617), (7959, 32882), (8421, 31078), (15539, 16842), (15918, 16441)]