40881906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 103783680

約数和(自身を除く): 62901774

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 43, 51, 78, 86, 102, 117, 129, 153, 221, 234, 239, 258, 306, 387, 442, 478, 559, 663, 717, 731, 774, 1118, 1326, 1434, 1462, 1677, 1989, 2151, 2193, 3107, 3354, 3978, 4063, 4302, 4386, 5031, 6214, 6579, 8126, 9321, 9503, 10062, 10277, 12189, 13158, 18642, 19006, 20554, 24378, 27963, 28509, 30831, 36567, 52819, 55926, 57018, 61662, 73134, 85527, 92493, 105638, 133601, 158457, 171054, 174709, 184986, 267202, 316914, 349418, 400803, 475371, 524127, 801606, 950742, 1048254, 1202409, 1572381, 2271217, 2404818, 3144762, 4542434, 6813651, 13627302, 20440953, 40881906]

約数ペア:

[(1, 40881906), (2, 20440953), (3, 13627302), (6, 6813651), (9, 4542434), (13, 3144762), (17, 2404818), (18, 2271217), (26, 1572381), (34, 1202409), (39, 1048254), (43, 950742), (51, 801606), (78, 524127), (86, 475371), (102, 400803), (117, 349418), (129, 316914), (153, 267202), (221, 184986), (234, 174709), (239, 171054), (258, 158457), (306, 133601), (387, 105638), (442, 92493), (478, 85527), (559, 73134), (663, 61662), (717, 57018), (731, 55926), (774, 52819), (1118, 36567), (1326, 30831), (1434, 28509), (1462, 27963), (1677, 24378), (1989, 20554), (2151, 19006), (2193, 18642), (3107, 13158), (3354, 12189), (3978, 10277), (4063, 10062), (4302, 9503), (4386, 9321), (5031, 8126), (6214, 6579)]