207081290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21821}}^1$

素因数の和:21914

約数の個数: 32

約数和(自身を含む): 406936656

約数和(自身を除く): 199855366

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 21821, 43642, 109105, 218210, 283673, 567346, 1418365, 1592933, 2836730, 3185866, 7964665, 15929330, 20708129, 41416258, 103540645, 207081290]

約数ペア:

[(1, 207081290), (2, 103540645), (5, 41416258), (10, 20708129), (13, 15929330), (26, 7964665), (65, 3185866), (73, 2836730), (130, 1592933), (146, 1418365), (365, 567346), (730, 283673), (949, 218210), (1898, 109105), (4745, 43642), (9490, 21821)]