81027988

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 149807700

約数和(自身を除く): 68779712

約数列:

[1, 2, 4, 23, 46, 92, 149, 257, 298, 514, 529, 596, 1028, 1058, 2116, 3427, 5911, 6854, 11822, 13708, 23644, 38293, 76586, 78821, 135953, 153172, 157642, 271906, 315284, 543812, 880739, 1761478, 3522956, 20256997, 40513994, 81027988]

約数ペア:

[(1, 81027988), (2, 40513994), (4, 20256997), (23, 3522956), (46, 1761478), (92, 880739), (149, 543812), (257, 315284), (298, 271906), (514, 157642), (529, 153172), (596, 135953), (1028, 78821), (1058, 76586), (2116, 38293), (3427, 23644), (5911, 13708), (6854, 11822)]