155220456

素因数分解:

$2^3\times 3^1\times {\mathrm{313}}^1\times {\mathrm{20663}}^1$

素因数の和:20985

約数の個数: 32

約数和(自身を含む): 389309760

約数和(自身を除く): 234089304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 313, 626, 939, 1252, 1878, 2504, 3756, 7512, 20663, 41326, 61989, 82652, 123978, 165304, 247956, 495912, 6467519, 12935038, 19402557, 25870076, 38805114, 51740152, 77610228, 155220456]

約数ペア:

[(1, 155220456), (2, 77610228), (3, 51740152), (4, 38805114), (6, 25870076), (8, 19402557), (12, 12935038), (24, 6467519), (313, 495912), (626, 247956), (939, 165304), (1252, 123978), (1878, 82652), (2504, 61989), (3756, 41326), (7512, 20663)]