201398768

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 396485040

約数和(自身を除く): 195086272

約数列:

[1, 2, 4, 8, 16, 137, 139, 274, 278, 548, 556, 661, 1096, 1112, 1322, 2192, 2224, 2644, 5288, 10576, 19043, 38086, 76172, 90557, 91879, 152344, 181114, 183758, 304688, 362228, 367516, 724456, 735032, 1448912, 1470064, 12587423, 25174846, 50349692, 100699384, 201398768]

約数ペア:

[(1, 201398768), (2, 100699384), (4, 50349692), (8, 25174846), (16, 12587423), (137, 1470064), (139, 1448912), (274, 735032), (278, 724456), (548, 367516), (556, 362228), (661, 304688), (1096, 183758), (1112, 181114), (1322, 152344), (2192, 91879), (2224, 90557), (2644, 76172), (5288, 38086), (10576, 19043)]