13660955

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 21521376

約数和(自身を除く): 7860421

約数列:

[1, 5, 7, 11, 35, 37, 49, 55, 77, 137, 185, 245, 259, 385, 407, 539, 685, 959, 1295, 1507, 1813, 2035, 2695, 2849, 4795, 5069, 6713, 7535, 9065, 10549, 14245, 19943, 25345, 33565, 35483, 52745, 55759, 73843, 99715, 177415, 248381, 278795, 369215, 390313, 1241905, 1951565, 2732191, 13660955]

約数ペア:

[(1, 13660955), (5, 2732191), (7, 1951565), (11, 1241905), (35, 390313), (37, 369215), (49, 278795), (55, 248381), (77, 177415), (137, 99715), (185, 73843), (245, 55759), (259, 52745), (385, 35483), (407, 33565), (539, 25345), (685, 19943), (959, 14245), (1295, 10549), (1507, 9065), (1813, 7535), (2035, 6713), (2695, 5069), (2849, 4795)]