77991428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{16823}}^1$

素因数の和:16907

約数の個数: 24

約数和(自身を含む): 146032320

約数和(自身を除く): 68040892

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 16823, 33646, 67292, 319637, 639274, 1026203, 1278548, 2052406, 4104812, 19497857, 38995714, 77991428]

約数ペア:

[(1, 77991428), (2, 38995714), (4, 19497857), (19, 4104812), (38, 2052406), (61, 1278548), (76, 1026203), (122, 639274), (244, 319637), (1159, 67292), (2318, 33646), (4636, 16823)]