215795774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{9973}}^1$

素因数の和:10355

約数の個数: 16

約数和(自身を含む): 335126400

約数和(自身を除く): 119330626

約数列:

[1, 2, 31, 62, 349, 698, 9973, 10819, 19946, 21638, 309163, 618326, 3480577, 6961154, 107897887, 215795774]

約数ペア:

[(1, 215795774), (2, 107897887), (31, 6961154), (62, 3480577), (349, 618326), (698, 309163), (9973, 21638), (10819, 19946)]