20170106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14303494

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 349, 407, 698, 781, 814, 1562, 2627, 3839, 5254, 7678, 12913, 24779, 25826, 28897, 49558, 57794, 142043, 272569, 284086, 545138, 916823, 1833646, 10085053, 20170106]

約数ペア:

[(1, 20170106), (2, 10085053), (11, 1833646), (22, 916823), (37, 545138), (71, 284086), (74, 272569), (142, 142043), (349, 57794), (407, 49558), (698, 28897), (781, 25826), (814, 24779), (1562, 12913), (2627, 7678), (3839, 5254)]