13215678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16592

約数の個数: 32

約数和(自身を含む): 31799040

約数和(自身を除く): 18583362

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 16561, 33122, 49683, 99366, 115927, 231854, 314659, 347781, 629318, 695562, 943977, 1887954, 2202613, 4405226, 6607839, 13215678]

約数ペア:

[(1, 13215678), (2, 6607839), (3, 4405226), (6, 2202613), (7, 1887954), (14, 943977), (19, 695562), (21, 629318), (38, 347781), (42, 314659), (57, 231854), (114, 115927), (133, 99366), (266, 49683), (399, 33122), (798, 16561)]