207838421

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 240414720

約数和(自身を除く): 32576299

約数列:

[1, 7, 127, 389, 601, 889, 2723, 4207, 49403, 76327, 233789, 345821, 534289, 1636523, 29691203, 207838421]

約数ペア:

[(1, 207838421), (7, 29691203), (127, 1636523), (389, 534289), (601, 345821), (889, 233789), (2723, 76327), (4207, 49403)]