28781688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3181}}^1$

素因数の和:3232

約数の個数: 64

約数和(自身を含む): 80186400

約数和(自身を除く): 51404712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 3016, 3181, 4524, 6362, 9048, 9543, 12724, 19086, 25448, 38172, 41353, 76344, 82706, 92249, 124059, 165412, 184498, 248118, 276747, 330824, 368996, 496236, 553494, 737992, 992472, 1106988, 1199237, 2213976, 2398474, 3597711, 4796948, 7195422, 9593896, 14390844, 28781688]

約数ペア:

[(1, 28781688), (2, 14390844), (3, 9593896), (4, 7195422), (6, 4796948), (8, 3597711), (12, 2398474), (13, 2213976), (24, 1199237), (26, 1106988), (29, 992472), (39, 737992), (52, 553494), (58, 496236), (78, 368996), (87, 330824), (104, 276747), (116, 248118), (156, 184498), (174, 165412), (232, 124059), (312, 92249), (348, 82706), (377, 76344), (696, 41353), (754, 38172), (1131, 25448), (1508, 19086), (2262, 12724), (3016, 9543), (3181, 9048), (4524, 6362)]