22789151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 30789120

約数和(自身を除く): 7999969

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 421, 703, 1463, 2849, 2947, 4631, 4921, 7733, 7999, 15577, 32417, 54131, 55993, 87989, 109039, 171347, 295963, 615923, 1199429, 2071741, 3255593, 22789151]

約数ペア:

[(1, 22789151), (7, 3255593), (11, 2071741), (19, 1199429), (37, 615923), (77, 295963), (133, 171347), (209, 109039), (259, 87989), (407, 55993), (421, 54131), (703, 32417), (1463, 15577), (2849, 7999), (2947, 7733), (4631, 4921)]