1638555216

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{17569}}^1$

素因数の和:17676

約数の個数: 80

約数和(自身を含む): 4444507200

約数和(自身を除く): 2805951984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 464, 536, 696, 804, 1072, 1392, 1608, 1943, 3216, 3886, 5829, 7772, 11658, 15544, 17569, 23316, 31088, 35138, 46632, 52707, 70276, 93264, 105414, 140552, 210828, 281104, 421656, 509501, 843312, 1019002, 1177123, 1528503, 2038004, 2354246, 3057006, 3531369, 4076008, 4708492, 6114012, 7062738, 8152016, 9416984, 12228024, 14125476, 18833968, 24456048, 28250952, 34136567, 56501904, 68273134, 102409701, 136546268, 204819402, 273092536, 409638804, 546185072, 819277608, 1638555216]

約数ペア:

[(1, 1638555216), (2, 819277608), (3, 546185072), (4, 409638804), (6, 273092536), (8, 204819402), (12, 136546268), (16, 102409701), (24, 68273134), (29, 56501904), (48, 34136567), (58, 28250952), (67, 24456048), (87, 18833968), (116, 14125476), (134, 12228024), (174, 9416984), (201, 8152016), (232, 7062738), (268, 6114012), (348, 4708492), (402, 4076008), (464, 3531369), (536, 3057006), (696, 2354246), (804, 2038004), (1072, 1528503), (1392, 1177123), (1608, 1019002), (1943, 843312), (3216, 509501), (3886, 421656), (5829, 281104), (7772, 210828), (11658, 140552), (15544, 105414), (17569, 93264), (23316, 70276), (31088, 52707), (35138, 46632)]