211674970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20611}}^1$

素因数の和:20710

約数の個数: 32

約数和(自身を含む): 415537920

約数和(自身を除く): 203862950

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 20611, 41222, 103055, 206110, 267943, 535886, 1339715, 1628269, 2679430, 3256538, 8141345, 16282690, 21167497, 42334994, 105837485, 211674970]

約数ペア:

[(1, 211674970), (2, 105837485), (5, 42334994), (10, 21167497), (13, 16282690), (26, 8141345), (65, 3256538), (79, 2679430), (130, 1628269), (158, 1339715), (395, 535886), (790, 267943), (1027, 206110), (2054, 103055), (5135, 41222), (10270, 20611)]