289636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 553280

約数和(自身を除く): 263644

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 103, 148, 206, 412, 703, 1406, 1957, 2812, 3811, 3914, 7622, 7828, 15244, 72409, 144818, 289636]

約数ペア:

[(1, 289636), (2, 144818), (4, 72409), (19, 15244), (37, 7828), (38, 7622), (74, 3914), (76, 3811), (103, 2812), (148, 1957), (206, 1406), (412, 703)]