2004404778

素因数分解:

$2^1\times 3^4\times {\mathrm{89}}^1\times {\mathrm{139021}}^1$

素因数の和:139124

約数の個数: 40

約数和(自身を含む): 4541848740

約数和(自身を除く): 2537443962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 267, 534, 801, 1602, 2403, 4806, 7209, 14418, 139021, 278042, 417063, 834126, 1251189, 2502378, 3753567, 7507134, 11260701, 12372869, 22521402, 24745738, 37118607, 74237214, 111355821, 222711642, 334067463, 668134926, 1002202389, 2004404778]

約数ペア:

[(1, 2004404778), (2, 1002202389), (3, 668134926), (6, 334067463), (9, 222711642), (18, 111355821), (27, 74237214), (54, 37118607), (81, 24745738), (89, 22521402), (162, 12372869), (178, 11260701), (267, 7507134), (534, 3753567), (801, 2502378), (1602, 1251189), (2403, 834126), (4806, 417063), (7209, 278042), (14418, 139021)]