201521410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4127}}^1$

素因数の和:4410

約数の個数: 32

約数和(自身を含む): 383408640

約数和(自身を除く): 181887230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 257, 514, 1285, 2570, 4127, 4883, 8254, 9766, 20635, 24415, 41270, 48830, 78413, 156826, 392065, 784130, 1060639, 2121278, 5303195, 10606390, 20152141, 40304282, 100760705, 201521410]

約数ペア:

[(1, 201521410), (2, 100760705), (5, 40304282), (10, 20152141), (19, 10606390), (38, 5303195), (95, 2121278), (190, 1060639), (257, 784130), (514, 392065), (1285, 156826), (2570, 78413), (4127, 48830), (4883, 41270), (8254, 24415), (9766, 20635)]