1557427828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{2339}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 3062404800

約数和(自身を除く): 1504976972

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 409, 814, 818, 1628, 1636, 2339, 4499, 4678, 8998, 9356, 15133, 17996, 25729, 30266, 51458, 60532, 86543, 102916, 166463, 173086, 332926, 346172, 665852, 951973, 956651, 1903946, 1913302, 3807892, 3826604, 10523161, 21046322, 35396087, 42092644, 70792174, 141584348, 389356957, 778713914, 1557427828]

約数ペア:

[(1, 1557427828), (2, 778713914), (4, 389356957), (11, 141584348), (22, 70792174), (37, 42092644), (44, 35396087), (74, 21046322), (148, 10523161), (407, 3826604), (409, 3807892), (814, 1913302), (818, 1903946), (1628, 956651), (1636, 951973), (2339, 665852), (4499, 346172), (4678, 332926), (8998, 173086), (9356, 166463), (15133, 102916), (17996, 86543), (25729, 60532), (30266, 51458)]