81121568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 175017024

約数和(自身を除く): 93895456

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 317, 352, 634, 727, 1268, 1454, 2536, 2908, 3487, 5072, 5816, 6974, 7997, 10144, 11632, 13948, 15994, 23264, 27896, 31988, 55792, 63976, 111584, 127952, 230459, 255904, 460918, 921836, 1843672, 2535049, 3687344, 5070098, 7374688, 10140196, 20280392, 40560784, 81121568]

約数ペア:

[(1, 81121568), (2, 40560784), (4, 20280392), (8, 10140196), (11, 7374688), (16, 5070098), (22, 3687344), (32, 2535049), (44, 1843672), (88, 921836), (176, 460918), (317, 255904), (352, 230459), (634, 127952), (727, 111584), (1268, 63976), (1454, 55792), (2536, 31988), (2908, 27896), (3487, 23264), (5072, 15994), (5816, 13948), (6974, 11632), (7997, 10144)]