81791658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 209336400

約数和(自身を除く): 127544742

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 29, 34, 39, 51, 58, 78, 87, 102, 117, 153, 174, 221, 234, 261, 306, 377, 442, 493, 522, 663, 709, 754, 986, 1131, 1326, 1418, 1479, 1989, 2127, 2262, 2958, 3393, 3978, 4254, 4437, 6381, 6409, 6786, 8874, 9217, 12053, 12762, 12818, 18434, 19227, 20561, 24106, 27651, 36159, 38454, 41122, 55302, 57681, 61683, 72318, 82953, 108477, 115362, 123366, 156689, 165906, 185049, 216954, 267293, 313378, 349537, 370098, 470067, 534586, 699074, 801879, 940134, 1048611, 1410201, 1603758, 2097222, 2405637, 2820402, 3145833, 4543981, 4811274, 6291666, 9087962, 13631943, 27263886, 40895829, 81791658]

約数ペア:

[(1, 81791658), (2, 40895829), (3, 27263886), (6, 13631943), (9, 9087962), (13, 6291666), (17, 4811274), (18, 4543981), (26, 3145833), (29, 2820402), (34, 2405637), (39, 2097222), (51, 1603758), (58, 1410201), (78, 1048611), (87, 940134), (102, 801879), (117, 699074), (153, 534586), (174, 470067), (221, 370098), (234, 349537), (261, 313378), (306, 267293), (377, 216954), (442, 185049), (493, 165906), (522, 156689), (663, 123366), (709, 115362), (754, 108477), (986, 82953), (1131, 72318), (1326, 61683), (1418, 57681), (1479, 55302), (1989, 41122), (2127, 38454), (2262, 36159), (2958, 27651), (3393, 24106), (3978, 20561), (4254, 19227), (4437, 18434), (6381, 12818), (6409, 12762), (6786, 12053), (8874, 9217)]