71238013

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 92160000

約数和(自身を除く): 20921987

約数列:

[1, 7, 11, 49, 77, 79, 239, 343, 539, 553, 869, 1673, 2629, 3773, 3871, 6083, 11711, 18403, 18881, 27097, 42581, 81977, 128821, 132167, 207691, 298067, 901747, 925169, 1453837, 6476183, 10176859, 71238013]

約数ペア:

[(1, 71238013), (7, 10176859), (11, 6476183), (49, 1453837), (77, 925169), (79, 901747), (239, 298067), (343, 207691), (539, 132167), (553, 128821), (869, 81977), (1673, 42581), (2629, 27097), (3773, 18881), (3871, 18403), (6083, 11711)]