181231696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{6869}}^1$

素因数の和:6991

約数の個数: 40

約数和(自身を含む): 375679080

約数和(自身を除く): 194447384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 776, 1552, 1649, 3298, 6596, 6869, 13192, 13738, 26384, 27476, 54952, 109904, 116773, 233546, 467092, 666293, 934184, 1332586, 1868368, 2665172, 5330344, 10660688, 11326981, 22653962, 45307924, 90615848, 181231696]

約数ペア:

[(1, 181231696), (2, 90615848), (4, 45307924), (8, 22653962), (16, 11326981), (17, 10660688), (34, 5330344), (68, 2665172), (97, 1868368), (136, 1332586), (194, 934184), (272, 666293), (388, 467092), (776, 233546), (1552, 116773), (1649, 109904), (3298, 54952), (6596, 27476), (6869, 26384), (13192, 13738)]