126991878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 289723392

約数和(自身を除く): 162731514

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 138, 142, 213, 299, 426, 598, 897, 923, 997, 1633, 1794, 1846, 1994, 2769, 2991, 3266, 4899, 5538, 5982, 9798, 12961, 21229, 22931, 25922, 38883, 42458, 45862, 63687, 68793, 70787, 77766, 127374, 137586, 141574, 212361, 298103, 424722, 596206, 894309, 920231, 1628101, 1788618, 1840462, 2760693, 3256202, 4884303, 5521386, 9768606, 21165313, 42330626, 63495939, 126991878]

約数ペア:

[(1, 126991878), (2, 63495939), (3, 42330626), (6, 21165313), (13, 9768606), (23, 5521386), (26, 4884303), (39, 3256202), (46, 2760693), (69, 1840462), (71, 1788618), (78, 1628101), (138, 920231), (142, 894309), (213, 596206), (299, 424722), (426, 298103), (598, 212361), (897, 141574), (923, 137586), (997, 127374), (1633, 77766), (1794, 70787), (1846, 68793), (1994, 63687), (2769, 45862), (2991, 42458), (3266, 38883), (4899, 25922), (5538, 22931), (5982, 21229), (9798, 12961)]