1891023568

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{15619}}^1$

素因数の和:15704

約数の個数: 80

約数和(自身を含む): 4462571520

約数和(自身を除く): 2571547952

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 161, 184, 188, 322, 329, 368, 376, 644, 658, 752, 1081, 1288, 1316, 2162, 2576, 2632, 4324, 5264, 7567, 8648, 15134, 15619, 17296, 30268, 31238, 60536, 62476, 109333, 121072, 124952, 218666, 249904, 359237, 437332, 718474, 734093, 874664, 1436948, 1468186, 1749328, 2514659, 2873896, 2936372, 5029318, 5138651, 5747792, 5872744, 10058636, 10277302, 11745488, 16884139, 20117272, 20554604, 33768278, 40234544, 41109208, 67536556, 82218416, 118188973, 135073112, 236377946, 270146224, 472755892, 945511784, 1891023568]

約数ペア:

[(1, 1891023568), (2, 945511784), (4, 472755892), (7, 270146224), (8, 236377946), (14, 135073112), (16, 118188973), (23, 82218416), (28, 67536556), (46, 41109208), (47, 40234544), (56, 33768278), (92, 20554604), (94, 20117272), (112, 16884139), (161, 11745488), (184, 10277302), (188, 10058636), (322, 5872744), (329, 5747792), (368, 5138651), (376, 5029318), (644, 2936372), (658, 2873896), (752, 2514659), (1081, 1749328), (1288, 1468186), (1316, 1436948), (2162, 874664), (2576, 734093), (2632, 718474), (4324, 437332), (5264, 359237), (7567, 249904), (8648, 218666), (15134, 124952), (15619, 121072), (17296, 109333), (30268, 62476), (31238, 60536)]