201991468

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1321}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 416948224

約数和(自身を除く): 214956756

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 127, 172, 254, 301, 508, 602, 889, 1204, 1321, 1778, 2642, 3556, 5284, 5461, 9247, 10922, 18494, 21844, 36988, 38227, 56803, 76454, 113606, 152908, 167767, 227212, 335534, 397621, 671068, 795242, 1174369, 1590484, 2348738, 4697476, 7213981, 14427962, 28855924, 50497867, 100995734, 201991468]

約数ペア:

[(1, 201991468), (2, 100995734), (4, 50497867), (7, 28855924), (14, 14427962), (28, 7213981), (43, 4697476), (86, 2348738), (127, 1590484), (172, 1174369), (254, 795242), (301, 671068), (508, 397621), (602, 335534), (889, 227212), (1204, 167767), (1321, 152908), (1778, 113606), (2642, 76454), (3556, 56803), (5284, 38227), (5461, 36988), (9247, 21844), (10922, 18494)]