4078388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 7600320

約数和(自身を除く): 3521932

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 521, 1042, 1957, 2084, 3914, 7828, 9899, 19798, 39596, 53663, 107326, 214652, 1019597, 2039194, 4078388]

約数ペア:

[(1, 4078388), (2, 2039194), (4, 1019597), (19, 214652), (38, 107326), (76, 53663), (103, 39596), (206, 19798), (412, 9899), (521, 7828), (1042, 3914), (1957, 2084)]