81958656

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8209}}^1$

素因数の和:8241

約数の個数: 72

約数和(自身を含む): 234937360

約数和(自身を除く): 152978704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 8209, 9984, 16418, 24627, 32836, 49254, 65672, 98508, 106717, 131344, 197016, 213434, 262688, 320151, 394032, 426868, 525376, 640302, 788064, 853736, 1050752, 1280604, 1576128, 1707472, 2101504, 2561208, 3152256, 3414944, 5122416, 6304512, 6829888, 10244832, 13659776, 20489664, 27319552, 40979328, 81958656]

約数ペア:

[(1, 81958656), (2, 40979328), (3, 27319552), (4, 20489664), (6, 13659776), (8, 10244832), (12, 6829888), (13, 6304512), (16, 5122416), (24, 3414944), (26, 3152256), (32, 2561208), (39, 2101504), (48, 1707472), (52, 1576128), (64, 1280604), (78, 1050752), (96, 853736), (104, 788064), (128, 640302), (156, 525376), (192, 426868), (208, 394032), (256, 320151), (312, 262688), (384, 213434), (416, 197016), (624, 131344), (768, 106717), (832, 98508), (1248, 65672), (1664, 49254), (2496, 32836), (3328, 24627), (4992, 16418), (8209, 9984)]