642509329

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 830649600

約数和(自身を除く): 188140271

約数列:

[1, 7, 11, 37, 77, 109, 259, 407, 763, 1199, 2069, 2849, 4033, 8393, 14483, 22759, 28231, 44363, 76553, 159313, 225521, 310541, 535871, 842083, 1578647, 2480731, 5894581, 8344277, 17365117, 58409939, 91787047, 642509329]

約数ペア:

[(1, 642509329), (7, 91787047), (11, 58409939), (37, 17365117), (77, 8344277), (109, 5894581), (259, 2480731), (407, 1578647), (763, 842083), (1199, 535871), (2069, 310541), (2849, 225521), (4033, 159313), (8393, 76553), (14483, 44363), (22759, 28231)]