78392875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 110545344

約数和(自身を除く): 32152469

約数列:

[1, 5, 11, 25, 55, 71, 73, 121, 125, 275, 355, 365, 605, 781, 803, 1375, 1775, 1825, 3025, 3905, 4015, 5183, 8591, 8833, 8875, 9125, 15125, 19525, 20075, 25915, 42955, 44165, 57013, 97625, 100375, 129575, 214775, 220825, 285065, 627143, 647875, 1073875, 1104125, 1425325, 3135715, 7126625, 15678575, 78392875]

約数ペア:

[(1, 78392875), (5, 15678575), (11, 7126625), (25, 3135715), (55, 1425325), (71, 1104125), (73, 1073875), (121, 647875), (125, 627143), (275, 285065), (355, 220825), (365, 214775), (605, 129575), (781, 100375), (803, 97625), (1375, 57013), (1775, 44165), (1825, 42955), (3025, 25915), (3905, 20075), (4015, 19525), (5183, 15125), (8591, 9125), (8833, 8875)]