131756944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 310292640

約数和(自身を除く): 178535696

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 41, 44, 62, 76, 82, 88, 124, 152, 164, 176, 209, 248, 304, 328, 341, 418, 451, 496, 589, 656, 682, 779, 836, 902, 961, 1178, 1271, 1364, 1558, 1672, 1804, 1922, 2356, 2542, 2728, 3116, 3344, 3608, 3844, 4712, 5084, 5456, 6232, 6479, 7216, 7688, 8569, 9424, 10168, 10571, 12464, 12958, 13981, 15376, 17138, 18259, 20336, 21142, 24149, 25916, 27962, 34276, 36518, 39401, 42284, 48298, 51832, 55924, 68552, 73036, 78802, 84568, 96596, 103664, 111848, 137104, 146072, 157604, 169136, 193192, 200849, 223696, 265639, 292144, 315208, 386384, 401698, 433411, 531278, 630416, 748619, 803396, 866822, 1062556, 1497238, 1606792, 1733644, 2125112, 2994476, 3213584, 3467288, 4250224, 5988952, 6934576, 8234809, 11977904, 16469618, 32939236, 65878472, 131756944]

約数ペア:

[(1, 131756944), (2, 65878472), (4, 32939236), (8, 16469618), (11, 11977904), (16, 8234809), (19, 6934576), (22, 5988952), (31, 4250224), (38, 3467288), (41, 3213584), (44, 2994476), (62, 2125112), (76, 1733644), (82, 1606792), (88, 1497238), (124, 1062556), (152, 866822), (164, 803396), (176, 748619), (209, 630416), (248, 531278), (304, 433411), (328, 401698), (341, 386384), (418, 315208), (451, 292144), (496, 265639), (589, 223696), (656, 200849), (682, 193192), (779, 169136), (836, 157604), (902, 146072), (961, 137104), (1178, 111848), (1271, 103664), (1364, 96596), (1558, 84568), (1672, 78802), (1804, 73036), (1922, 68552), (2356, 55924), (2542, 51832), (2728, 48298), (3116, 42284), (3344, 39401), (3608, 36518), (3844, 34276), (4712, 27962), (5084, 25916), (5456, 24149), (6232, 21142), (6479, 20336), (7216, 18259), (7688, 17138), (8569, 15376), (9424, 13981), (10168, 12958), (10571, 12464)]