13105295

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 18468000

約数和(自身を除く): 5362705

約数列:

[1, 5, 7, 35, 49, 149, 245, 359, 745, 1043, 1795, 2513, 5215, 7301, 12565, 17591, 36505, 53491, 87955, 267455, 374437, 1872185, 2621059, 13105295]

約数ペア:

[(1, 13105295), (5, 2621059), (7, 1872185), (35, 374437), (49, 267455), (149, 87955), (245, 53491), (359, 36505), (745, 17591), (1043, 12565), (1795, 7301), (2513, 5215)]