205463375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 277857216

約数和(自身を除く): 72393841

約数列:

[1, 5, 13, 25, 65, 125, 227, 325, 557, 1135, 1625, 2785, 2951, 5675, 7241, 13925, 14755, 28375, 36205, 69625, 73775, 126439, 181025, 368875, 632195, 905125, 1643707, 3160975, 8218535, 15804875, 41092675, 205463375]

約数ペア:

[(1, 205463375), (5, 41092675), (13, 15804875), (25, 8218535), (65, 3160975), (125, 1643707), (227, 905125), (325, 632195), (557, 368875), (1135, 181025), (1625, 126439), (2785, 73775), (2951, 69625), (5675, 36205), (7241, 28375), (13925, 14755)]