131237376

素因数分解:

$2^9\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 80

約数和(自身を含む): 357935424

約数和(自身を除く): 226698048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 512, 516, 688, 768, 1032, 1376, 1536, 1987, 2064, 2752, 3974, 4128, 5504, 5961, 7948, 8256, 11008, 11922, 15896, 16512, 22016, 23844, 31792, 33024, 47688, 63584, 66048, 85441, 95376, 127168, 170882, 190752, 254336, 256323, 341764, 381504, 508672, 512646, 683528, 763008, 1017344, 1025292, 1367056, 1526016, 2050584, 2734112, 3052032, 4101168, 5468224, 8202336, 10936448, 16404672, 21872896, 32809344, 43745792, 65618688, 131237376]

約数ペア:

[(1, 131237376), (2, 65618688), (3, 43745792), (4, 32809344), (6, 21872896), (8, 16404672), (12, 10936448), (16, 8202336), (24, 5468224), (32, 4101168), (43, 3052032), (48, 2734112), (64, 2050584), (86, 1526016), (96, 1367056), (128, 1025292), (129, 1017344), (172, 763008), (192, 683528), (256, 512646), (258, 508672), (344, 381504), (384, 341764), (512, 256323), (516, 254336), (688, 190752), (768, 170882), (1032, 127168), (1376, 95376), (1536, 85441), (1987, 66048), (2064, 63584), (2752, 47688), (3974, 33024), (4128, 31792), (5504, 23844), (5961, 22016), (7948, 16512), (8256, 15896), (11008, 11922)]