8039988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 22538880

約数和(自身を除く): 14498892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 257, 316, 396, 474, 514, 711, 771, 869, 948, 1028, 1422, 1542, 1738, 2313, 2607, 2827, 2844, 3084, 3476, 4626, 5214, 5654, 7821, 8481, 9252, 10428, 11308, 15642, 16962, 20303, 25443, 31284, 33924, 40606, 50886, 60909, 81212, 101772, 121818, 182727, 223333, 243636, 365454, 446666, 669999, 730908, 893332, 1339998, 2009997, 2679996, 4019994, 8039988]

約数ペア:

[(1, 8039988), (2, 4019994), (3, 2679996), (4, 2009997), (6, 1339998), (9, 893332), (11, 730908), (12, 669999), (18, 446666), (22, 365454), (33, 243636), (36, 223333), (44, 182727), (66, 121818), (79, 101772), (99, 81212), (132, 60909), (158, 50886), (198, 40606), (237, 33924), (257, 31284), (316, 25443), (396, 20303), (474, 16962), (514, 15642), (711, 11308), (771, 10428), (869, 9252), (948, 8481), (1028, 7821), (1422, 5654), (1542, 5214), (1738, 4626), (2313, 3476), (2607, 3084), (2827, 2844)]