209625512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{2039}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 400982400

約数和(自身を除く): 191356888

約数列:

[1, 2, 4, 8, 71, 142, 181, 284, 362, 568, 724, 1448, 2039, 4078, 8156, 12851, 16312, 25702, 51404, 102808, 144769, 289538, 369059, 579076, 738118, 1158152, 1476236, 2952472, 26203189, 52406378, 104812756, 209625512]

約数ペア:

[(1, 209625512), (2, 104812756), (4, 52406378), (8, 26203189), (71, 2952472), (142, 1476236), (181, 1158152), (284, 738118), (362, 579076), (568, 369059), (724, 289538), (1448, 144769), (2039, 102808), (4078, 51404), (8156, 25702), (12851, 16312)]