28118988

素因数分解:

$2^2\times 3^6\times {\mathrm{9643}}^1$

素因数の和:9665

約数の個数: 42

約数和(自身を含む): 73786244

約数和(自身を除く): 45667256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 9643, 19286, 28929, 38572, 57858, 86787, 115716, 173574, 260361, 347148, 520722, 781083, 1041444, 1562166, 2343249, 3124332, 4686498, 7029747, 9372996, 14059494, 28118988]

約数ペア:

[(1, 28118988), (2, 14059494), (3, 9372996), (4, 7029747), (6, 4686498), (9, 3124332), (12, 2343249), (18, 1562166), (27, 1041444), (36, 781083), (54, 520722), (81, 347148), (108, 260361), (162, 173574), (243, 115716), (324, 86787), (486, 57858), (729, 38572), (972, 28929), (1458, 19286), (2916, 9643)]