131915916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 381308928

約数和(自身を除く): 249393012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 61, 66, 86, 99, 122, 127, 129, 132, 172, 183, 198, 244, 254, 258, 366, 381, 387, 396, 473, 508, 516, 549, 671, 732, 762, 774, 946, 1098, 1143, 1342, 1397, 1419, 1524, 1548, 1892, 2013, 2196, 2286, 2623, 2684, 2794, 2838, 4026, 4191, 4257, 4572, 5246, 5461, 5588, 5676, 6039, 7747, 7869, 8052, 8382, 8514, 10492, 10922, 12078, 12573, 15494, 15738, 16383, 16764, 17028, 21844, 23241, 23607, 24156, 25146, 28853, 30988, 31476, 32766, 46482, 47214, 49149, 50292, 57706, 60071, 65532, 69723, 85217, 86559, 92964, 94428, 98298, 115412, 120142, 139446, 170434, 173118, 180213, 196596, 240284, 255651, 259677, 278892, 333121, 340868, 346236, 360426, 511302, 519354, 540639, 666242, 720852, 766953, 999363, 1022604, 1038708, 1081278, 1332484, 1533906, 1998726, 2162556, 2998089, 3067812, 3664331, 3997452, 5996178, 7328662, 10992993, 11992356, 14657324, 21985986, 32978979, 43971972, 65957958, 131915916]

約数ペア:

[(1, 131915916), (2, 65957958), (3, 43971972), (4, 32978979), (6, 21985986), (9, 14657324), (11, 11992356), (12, 10992993), (18, 7328662), (22, 5996178), (33, 3997452), (36, 3664331), (43, 3067812), (44, 2998089), (61, 2162556), (66, 1998726), (86, 1533906), (99, 1332484), (122, 1081278), (127, 1038708), (129, 1022604), (132, 999363), (172, 766953), (183, 720852), (198, 666242), (244, 540639), (254, 519354), (258, 511302), (366, 360426), (381, 346236), (387, 340868), (396, 333121), (473, 278892), (508, 259677), (516, 255651), (549, 240284), (671, 196596), (732, 180213), (762, 173118), (774, 170434), (946, 139446), (1098, 120142), (1143, 115412), (1342, 98298), (1397, 94428), (1419, 92964), (1524, 86559), (1548, 85217), (1892, 69723), (2013, 65532), (2196, 60071), (2286, 57706), (2623, 50292), (2684, 49149), (2794, 47214), (2838, 46482), (4026, 32766), (4191, 31476), (4257, 30988), (4572, 28853), (5246, 25146), (5461, 24156), (5588, 23607), (5676, 23241), (6039, 21844), (7747, 17028), (7869, 16764), (8052, 16383), (8382, 15738), (8514, 15494), (10492, 12573), (10922, 12078)]