72419711

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 95276160

約数和(自身を除く): 22856449

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 277, 1183, 1547, 1939, 2197, 2873, 3601, 4709, 15379, 20111, 25207, 32963, 37349, 46813, 61217, 261443, 327691, 428519, 608569, 795821, 4259983, 5570747, 10345673, 72419711]

約数ペア:

[(1, 72419711), (7, 10345673), (13, 5570747), (17, 4259983), (91, 795821), (119, 608569), (169, 428519), (221, 327691), (277, 261443), (1183, 61217), (1547, 46813), (1939, 37349), (2197, 32963), (2873, 25207), (3601, 20111), (4709, 15379)]