28973854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 53758656

約数和(自身を除く): 24784802

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 397, 401, 794, 802, 2779, 2807, 5161, 5213, 5558, 5614, 10322, 10426, 36127, 36491, 72254, 72982, 159197, 318394, 1114379, 2069561, 2228758, 4139122, 14486927, 28973854]

約数ペア:

[(1, 28973854), (2, 14486927), (7, 4139122), (13, 2228758), (14, 2069561), (26, 1114379), (91, 318394), (182, 159197), (397, 72982), (401, 72254), (794, 36491), (802, 36127), (2779, 10426), (2807, 10322), (5161, 5614), (5213, 5558)]