1645349748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{247943}}^1$

素因数の和:248036

約数の個数: 48

約数和(自身を含む): 4443156480

約数和(自身を除く): 2797806732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3318, 6636, 247943, 495886, 743829, 991772, 1487658, 1735601, 2975316, 3471202, 5206803, 6942404, 10413606, 19587497, 20827212, 39174994, 58762491, 78349988, 117524982, 137112479, 235049964, 274224958, 411337437, 548449916, 822674874, 1645349748]

約数ペア:

[(1, 1645349748), (2, 822674874), (3, 548449916), (4, 411337437), (6, 274224958), (7, 235049964), (12, 137112479), (14, 117524982), (21, 78349988), (28, 58762491), (42, 39174994), (79, 20827212), (84, 19587497), (158, 10413606), (237, 6942404), (316, 5206803), (474, 3471202), (553, 2975316), (948, 1735601), (1106, 1487658), (1659, 991772), (2212, 743829), (3318, 495886), (6636, 247943)]