318392785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 421125120

約数和(自身を除く): 102732335

約数列:

[1, 5, 19, 31, 73, 95, 155, 365, 589, 1387, 1481, 2263, 2945, 6935, 7405, 11315, 28139, 42997, 45911, 108113, 140695, 214985, 229555, 540565, 872309, 2054147, 3351503, 4361545, 10270735, 16757515, 63678557, 318392785]

約数ペア:

[(1, 318392785), (5, 63678557), (19, 16757515), (31, 10270735), (73, 4361545), (95, 3351503), (155, 2054147), (365, 872309), (589, 540565), (1387, 229555), (1481, 214985), (2263, 140695), (2945, 108113), (6935, 45911), (7405, 42997), (11315, 28139)]