208990062

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3803}}^1$

素因数の和:3925

約数の個数: 48

約数和(自身を含む): 469991808

約数和(自身を除く): 261001746

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 3053, 3803, 6106, 7606, 9159, 11409, 18318, 22818, 27477, 34227, 54954, 68454, 163529, 270013, 327058, 490587, 540026, 810039, 981174, 1471761, 1620078, 2430117, 2943522, 4860234, 11610559, 23221118, 34831677, 69663354, 104495031, 208990062]

約数ペア:

[(1, 208990062), (2, 104495031), (3, 69663354), (6, 34831677), (9, 23221118), (18, 11610559), (43, 4860234), (71, 2943522), (86, 2430117), (129, 1620078), (142, 1471761), (213, 981174), (258, 810039), (387, 540026), (426, 490587), (639, 327058), (774, 270013), (1278, 163529), (3053, 68454), (3803, 54954), (6106, 34227), (7606, 27477), (9159, 22818), (11409, 18318)]