28123724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2537

約数の個数: 24

約数和(自身を含む): 52158960

約数和(自身を除く): 24035236

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 2357, 2983, 4714, 5966, 9428, 11932, 44783, 89566, 179132, 370049, 740098, 1480196, 7030931, 14061862, 28123724]

約数ペア:

[(1, 28123724), (2, 14061862), (4, 7030931), (19, 1480196), (38, 740098), (76, 370049), (157, 179132), (314, 89566), (628, 44783), (2357, 11932), (2983, 9428), (4714, 5966)]