212872015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{25357}}^1$

素因数の和:25458

約数の個数: 16

約数和(自身を含む): 270214848

約数和(自身を除く): 57342833

約数列:

[1, 5, 23, 73, 115, 365, 1679, 8395, 25357, 126785, 583211, 1851061, 2916055, 9255305, 42574403, 212872015]

約数ペア:

[(1, 212872015), (5, 42574403), (23, 9255305), (73, 2916055), (115, 1851061), (365, 583211), (1679, 126785), (8395, 25357)]