201221438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{751}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 347604480

約数和(自身を除く): 146383042

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 641, 751, 1282, 1502, 7051, 8261, 12179, 14102, 14269, 16522, 24358, 28538, 133969, 156959, 267938, 313918, 481391, 962782, 5295301, 9146429, 10590602, 18292858, 100610719, 201221438]

約数ペア:

[(1, 201221438), (2, 100610719), (11, 18292858), (19, 10590602), (22, 9146429), (38, 5295301), (209, 962782), (418, 481391), (641, 313918), (751, 267938), (1282, 156959), (1502, 133969), (7051, 28538), (8261, 24358), (12179, 16522), (14102, 14269)]