15123784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 31530240

約数和(自身を除く): 16406456

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 4691, 9382, 18764, 37528, 60983, 121966, 145421, 243932, 290842, 487864, 581684, 1163368, 1890473, 3780946, 7561892, 15123784]

約数ペア:

[(1, 15123784), (2, 7561892), (4, 3780946), (8, 1890473), (13, 1163368), (26, 581684), (31, 487864), (52, 290842), (62, 243932), (104, 145421), (124, 121966), (248, 60983), (403, 37528), (806, 18764), (1612, 9382), (3224, 4691)]