72738281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 94003200

約数和(自身を除く): 21264919

約数列:

[1, 7, 11, 47, 77, 101, 199, 329, 517, 707, 1111, 1393, 2189, 3619, 4747, 7777, 9353, 15323, 20099, 33229, 52217, 65471, 102883, 140693, 221089, 365519, 720181, 944653, 1547623, 6612571, 10391183, 72738281]

約数ペア:

[(1, 72738281), (7, 10391183), (11, 6612571), (47, 1547623), (77, 944653), (101, 720181), (199, 365519), (329, 221089), (517, 140693), (707, 102883), (1111, 65471), (1393, 52217), (2189, 33229), (3619, 20099), (4747, 15323), (7777, 9353)]