861245281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 1044610560

約数和(自身を除く): 183365279

約数列:

[1, 13, 19, 23, 79, 101, 247, 299, 361, 437, 1027, 1313, 1501, 1817, 1919, 2323, 4693, 5681, 7979, 8303, 19513, 23621, 24947, 28519, 30199, 34523, 36461, 44137, 103727, 107939, 151601, 183517, 370747, 448799, 473993, 573781, 655937, 838603, 1970813, 2385721, 2880419, 3486823, 8527181, 10901839, 37445447, 45328699, 66249637, 861245281]

約数ペア:

[(1, 861245281), (13, 66249637), (19, 45328699), (23, 37445447), (79, 10901839), (101, 8527181), (247, 3486823), (299, 2880419), (361, 2385721), (437, 1970813), (1027, 838603), (1313, 655937), (1501, 573781), (1817, 473993), (1919, 448799), (2323, 370747), (4693, 183517), (5681, 151601), (7979, 107939), (8303, 103727), (19513, 44137), (23621, 36461), (24947, 34523), (28519, 30199)]