9780149995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1187}}^1\times {\mathrm{21401}}^1$

素因数の和:22611

約数の個数: 32

約数和(自身を含む): 14645131776

約数和(自身を除く): 4864981781

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1187, 5935, 8309, 13057, 21401, 41545, 65285, 91399, 107005, 149807, 235411, 456995, 749035, 1177055, 1647877, 8239385, 25402987, 127014935, 177820909, 279432857, 889104545, 1397164285, 1956029999, 9780149995]

約数ペア:

[(1, 9780149995), (5, 1956029999), (7, 1397164285), (11, 889104545), (35, 279432857), (55, 177820909), (77, 127014935), (385, 25402987), (1187, 8239385), (5935, 1647877), (8309, 1177055), (13057, 749035), (21401, 456995), (41545, 235411), (65285, 149807), (91399, 107005)]