81879356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 162269184

約数和(自身を除く): 80389828

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 223, 299, 307, 446, 598, 614, 892, 1196, 1228, 2899, 3991, 5129, 5798, 7061, 7982, 10258, 11596, 14122, 15964, 20516, 28244, 66677, 68461, 91793, 133354, 136922, 183586, 266708, 273844, 367172, 889993, 1574603, 1779986, 3149206, 3559972, 6298412, 20469839, 40939678, 81879356]

約数ペア:

[(1, 81879356), (2, 40939678), (4, 20469839), (13, 6298412), (23, 3559972), (26, 3149206), (46, 1779986), (52, 1574603), (92, 889993), (223, 367172), (299, 273844), (307, 266708), (446, 183586), (598, 136922), (614, 133354), (892, 91793), (1196, 68461), (1228, 66677), (2899, 28244), (3991, 20516), (5129, 15964), (5798, 14122), (7061, 11596), (7982, 10258)]