81246812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 72856228

約数列:

[1, 2, 4, 19, 38, 76, 97, 103, 107, 194, 206, 214, 388, 412, 428, 1843, 1957, 2033, 3686, 3914, 4066, 7372, 7828, 8132, 9991, 10379, 11021, 19982, 20758, 22042, 39964, 41516, 44084, 189829, 197201, 209399, 379658, 394402, 418798, 759316, 788804, 837596, 1069037, 2138074, 4276148, 20311703, 40623406, 81246812]

約数ペア:

[(1, 81246812), (2, 40623406), (4, 20311703), (19, 4276148), (38, 2138074), (76, 1069037), (97, 837596), (103, 788804), (107, 759316), (194, 418798), (206, 394402), (214, 379658), (388, 209399), (412, 197201), (428, 189829), (1843, 44084), (1957, 41516), (2033, 39964), (3686, 22042), (3914, 20758), (4066, 19982), (7372, 11021), (7828, 10379), (8132, 9991)]