71581952

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 155985816

約数和(自身を除く): 84403864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 137, 157, 208, 256, 274, 314, 416, 548, 628, 832, 1096, 1256, 1664, 1781, 2041, 2192, 2512, 3328, 3562, 4082, 4384, 5024, 7124, 8164, 8768, 10048, 14248, 16328, 17536, 20096, 21509, 28496, 32656, 35072, 40192, 43018, 56992, 65312, 86036, 113984, 130624, 172072, 227968, 261248, 279617, 344144, 455936, 522496, 559234, 688288, 1118468, 1376576, 2236936, 2753152, 4473872, 5506304, 8947744, 17895488, 35790976, 71581952]

約数ペア:

[(1, 71581952), (2, 35790976), (4, 17895488), (8, 8947744), (13, 5506304), (16, 4473872), (26, 2753152), (32, 2236936), (52, 1376576), (64, 1118468), (104, 688288), (128, 559234), (137, 522496), (157, 455936), (208, 344144), (256, 279617), (274, 261248), (314, 227968), (416, 172072), (548, 130624), (628, 113984), (832, 86036), (1096, 65312), (1256, 56992), (1664, 43018), (1781, 40192), (2041, 35072), (2192, 32656), (2512, 28496), (3328, 21509), (3562, 20096), (4082, 17536), (4384, 16328), (5024, 14248), (7124, 10048), (8164, 8768)]