81781906

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 130867200

約数和(自身を除く): 49085294

約数列:

[1, 2, 31, 59, 62, 79, 118, 158, 283, 566, 1829, 2449, 3658, 4661, 4898, 8773, 9322, 16697, 17546, 22357, 33394, 44714, 144491, 288982, 517607, 693067, 1035214, 1319063, 1386134, 2638126, 40890953, 81781906]

約数ペア:

[(1, 81781906), (2, 40890953), (31, 2638126), (59, 1386134), (62, 1319063), (79, 1035214), (118, 693067), (158, 517607), (283, 288982), (566, 144491), (1829, 44714), (2449, 33394), (3658, 22357), (4661, 17546), (4898, 16697), (8773, 9322)]