207928567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 270973440

約数和(自身を除く): 63044873

約数列:

[1, 7, 11, 37, 59, 77, 259, 407, 413, 649, 1237, 2183, 2849, 4543, 8659, 13607, 15281, 24013, 45769, 72983, 95249, 168091, 320383, 503459, 510881, 802813, 2700371, 3524213, 5619691, 18902597, 29704081, 207928567]

約数ペア:

[(1, 207928567), (7, 29704081), (11, 18902597), (37, 5619691), (59, 3524213), (77, 2700371), (259, 802813), (407, 510881), (413, 503459), (649, 320383), (1237, 168091), (2183, 95249), (2849, 72983), (4543, 45769), (8659, 24013), (13607, 15281)]