1900990133

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{55661}}^1$

素因数の和:55733

約数の個数: 24

約数和(自身を含む): 2398586904

約数和(自身を除く): 497596771

約数列:

[1, 7, 17, 41, 49, 119, 287, 697, 833, 2009, 4879, 34153, 55661, 389627, 946237, 2282101, 2727389, 6623659, 15974707, 38795717, 46365613, 111822949, 271570019, 1900990133]

約数ペア:

[(1, 1900990133), (7, 271570019), (17, 111822949), (41, 46365613), (49, 38795717), (119, 15974707), (287, 6623659), (697, 2727389), (833, 2282101), (2009, 946237), (4879, 389627), (34153, 55661)]