28235207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 38567424

約数和(自身を除く): 10332217

約数列:

[1, 7, 11, 13, 67, 77, 91, 143, 421, 469, 737, 871, 1001, 2947, 4631, 5159, 5473, 6097, 9581, 28207, 32417, 38311, 60203, 67067, 197449, 310277, 366691, 421421, 2171939, 2566837, 4033601, 28235207]

約数ペア:

[(1, 28235207), (7, 4033601), (11, 2566837), (13, 2171939), (67, 421421), (77, 366691), (91, 310277), (143, 197449), (421, 67067), (469, 60203), (737, 38311), (871, 32417), (1001, 28207), (2947, 9581), (4631, 6097), (5159, 5473)]