81748342

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 144435312

約数和(自身を除く): 62686970

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 169, 221, 338, 347, 442, 533, 694, 697, 1066, 1394, 2873, 4511, 5746, 5899, 6929, 9022, 9061, 11798, 13858, 14227, 18122, 28454, 58643, 76687, 117286, 117793, 153374, 184951, 235586, 241859, 369902, 483718, 996931, 1993862, 2404363, 3144167, 4808726, 6288334, 40874171, 81748342]

約数ペア:

[(1, 81748342), (2, 40874171), (13, 6288334), (17, 4808726), (26, 3144167), (34, 2404363), (41, 1993862), (82, 996931), (169, 483718), (221, 369902), (338, 241859), (347, 235586), (442, 184951), (533, 153374), (694, 117793), (697, 117286), (1066, 76687), (1394, 58643), (2873, 28454), (4511, 18122), (5746, 14227), (5899, 13858), (6929, 11798), (9022, 9061)]