81323008

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 88

約数和(自身を含む): 180545400

約数和(自身を除く): 99222392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 149, 164, 208, 256, 298, 328, 416, 512, 533, 596, 656, 832, 1024, 1066, 1192, 1312, 1664, 1937, 2132, 2384, 2624, 3328, 3874, 4264, 4768, 5248, 6109, 6656, 7748, 8528, 9536, 10496, 12218, 13312, 15496, 17056, 19072, 20992, 24436, 30992, 34112, 38144, 41984, 48872, 61984, 68224, 76288, 79417, 97744, 123968, 136448, 152576, 158834, 195488, 247936, 272896, 317668, 390976, 495872, 545792, 635336, 781952, 991744, 1270672, 1563904, 1983488, 2541344, 3127808, 5082688, 6255616, 10165376, 20330752, 40661504, 81323008]

約数ペア:

[(1, 81323008), (2, 40661504), (4, 20330752), (8, 10165376), (13, 6255616), (16, 5082688), (26, 3127808), (32, 2541344), (41, 1983488), (52, 1563904), (64, 1270672), (82, 991744), (104, 781952), (128, 635336), (149, 545792), (164, 495872), (208, 390976), (256, 317668), (298, 272896), (328, 247936), (416, 195488), (512, 158834), (533, 152576), (596, 136448), (656, 123968), (832, 97744), (1024, 79417), (1066, 76288), (1192, 68224), (1312, 61984), (1664, 48872), (1937, 41984), (2132, 38144), (2384, 34112), (2624, 30992), (3328, 24436), (3874, 20992), (4264, 19072), (4768, 17056), (5248, 15496), (6109, 13312), (6656, 12218), (7748, 10496), (8528, 9536)]