1215916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 2332400

約数和(自身を除く): 1116484

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 349, 698, 871, 1396, 1742, 3484, 4537, 9074, 18148, 23383, 46766, 93532, 303979, 607958, 1215916]

約数ペア:

[(1, 1215916), (2, 607958), (4, 303979), (13, 93532), (26, 46766), (52, 23383), (67, 18148), (134, 9074), (268, 4537), (349, 3484), (698, 1742), (871, 1396)]