205347844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 413199360

約数和(自身を除く): 207851516

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 124, 164, 169, 239, 338, 403, 478, 533, 676, 806, 956, 1066, 1271, 1612, 2132, 2542, 3107, 5084, 5239, 6214, 6929, 7409, 9799, 10478, 12428, 13858, 14818, 16523, 19598, 20956, 27716, 29636, 33046, 39196, 40391, 66092, 80782, 96317, 127387, 161564, 192634, 214799, 254774, 303769, 385268, 429598, 509548, 607538, 859196, 1215076, 1252121, 1656031, 2504242, 3312062, 3948997, 5008484, 6624124, 7897994, 15795988, 51336961, 102673922, 205347844]

約数ペア:

[(1, 205347844), (2, 102673922), (4, 51336961), (13, 15795988), (26, 7897994), (31, 6624124), (41, 5008484), (52, 3948997), (62, 3312062), (82, 2504242), (124, 1656031), (164, 1252121), (169, 1215076), (239, 859196), (338, 607538), (403, 509548), (478, 429598), (533, 385268), (676, 303769), (806, 254774), (956, 214799), (1066, 192634), (1271, 161564), (1612, 127387), (2132, 96317), (2542, 80782), (3107, 66092), (5084, 40391), (5239, 39196), (6214, 33046), (6929, 29636), (7409, 27716), (9799, 20956), (10478, 19598), (12428, 16523), (13858, 14818)]