164977375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 216328320

約数和(自身を除く): 51350945

約数列:

[1, 5, 25, 29, 71, 125, 145, 355, 641, 725, 1775, 2059, 3205, 3625, 8875, 10295, 16025, 18589, 45511, 51475, 80125, 92945, 227555, 257375, 464725, 1137775, 1319819, 2323625, 5688875, 6599095, 32995475, 164977375]

約数ペア:

[(1, 164977375), (5, 32995475), (25, 6599095), (29, 5688875), (71, 2323625), (125, 1319819), (145, 1137775), (355, 464725), (641, 257375), (725, 227555), (1775, 92945), (2059, 80125), (3205, 51475), (3625, 45511), (8875, 18589), (10295, 16025)]