398732024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{36947}}^1$

素因数の和:37043

約数の個数: 32

約数和(自身を含む): 798076800

約数和(自身を除く): 399344776

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 10792, 36947, 73894, 147788, 295576, 701993, 1403986, 2623237, 2807972, 5246474, 5615944, 10492948, 20985896, 49841503, 99683006, 199366012, 398732024]

約数ペア:

[(1, 398732024), (2, 199366012), (4, 99683006), (8, 49841503), (19, 20985896), (38, 10492948), (71, 5615944), (76, 5246474), (142, 2807972), (152, 2623237), (284, 1403986), (568, 701993), (1349, 295576), (2698, 147788), (5396, 73894), (10792, 36947)]