287365897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 363847680

約数和(自身を除く): 76481783

約数列:

[1, 7, 13, 71, 79, 91, 497, 553, 563, 923, 1027, 3941, 5609, 6461, 7189, 7319, 39263, 39973, 44477, 51233, 72917, 279811, 311339, 510419, 519649, 578201, 3157867, 3637543, 4047407, 22105069, 41052271, 287365897]

約数ペア:

[(1, 287365897), (7, 41052271), (13, 22105069), (71, 4047407), (79, 3637543), (91, 3157867), (497, 578201), (553, 519649), (563, 510419), (923, 311339), (1027, 279811), (3941, 72917), (5609, 51233), (6461, 44477), (7189, 39973), (7319, 39263)]