131728428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 360888528

約数和(自身を除く): 229160100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 1038, 1557, 1627, 2076, 2249, 3114, 3254, 4498, 4881, 6228, 6508, 6747, 8996, 9762, 13494, 14643, 19524, 20241, 21151, 26988, 29286, 40482, 42302, 58572, 63453, 80964, 84604, 126906, 190359, 253812, 281471, 380718, 562942, 761436, 844413, 1125884, 1688826, 2533239, 3377652, 3659123, 5066478, 7318246, 10132956, 10977369, 14636492, 21954738, 32932107, 43909476, 65864214, 131728428]

約数ペア:

[(1, 131728428), (2, 65864214), (3, 43909476), (4, 32932107), (6, 21954738), (9, 14636492), (12, 10977369), (13, 10132956), (18, 7318246), (26, 5066478), (36, 3659123), (39, 3377652), (52, 2533239), (78, 1688826), (117, 1125884), (156, 844413), (173, 761436), (234, 562942), (346, 380718), (468, 281471), (519, 253812), (692, 190359), (1038, 126906), (1557, 84604), (1627, 80964), (2076, 63453), (2249, 58572), (3114, 42302), (3254, 40482), (4498, 29286), (4881, 26988), (6228, 21151), (6508, 20241), (6747, 19524), (8996, 14643), (9762, 13494)]