15691988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 30129120

約数和(自身を除く): 14437132

約数列:

[1, 2, 4, 13, 26, 52, 139, 167, 169, 278, 334, 338, 556, 668, 676, 1807, 2171, 3614, 4342, 7228, 8684, 23213, 23491, 28223, 46426, 46982, 56446, 92852, 93964, 112892, 301769, 603538, 1207076, 3922997, 7845994, 15691988]

約数ペア:

[(1, 15691988), (2, 7845994), (4, 3922997), (13, 1207076), (26, 603538), (52, 301769), (139, 112892), (167, 93964), (169, 92852), (278, 56446), (334, 46982), (338, 46426), (556, 28223), (668, 23491), (676, 23213), (1807, 8684), (2171, 7228), (3614, 4342)]