123536678

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 195592320

約数和(自身を除く): 72055642

約数列:

[1, 2, 43, 59, 86, 97, 118, 194, 251, 502, 2537, 4171, 5074, 5723, 8342, 10793, 11446, 14809, 21586, 24347, 29618, 48694, 246089, 492178, 636787, 1046921, 1273574, 1436473, 2093842, 2872946, 61768339, 123536678]

約数ペア:

[(1, 123536678), (2, 61768339), (43, 2872946), (59, 2093842), (86, 1436473), (97, 1273574), (118, 1046921), (194, 636787), (251, 492178), (502, 246089), (2537, 48694), (4171, 29618), (5074, 24347), (5723, 21586), (8342, 14809), (10793, 11446)]