201912515

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6779}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 296801280

約数和(自身を除く): 94888765

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 1295, 4255, 5957, 6779, 29785, 33895, 47453, 155917, 237265, 250823, 779585, 1091419, 1254115, 1755761, 5457095, 5768929, 8778805, 28844645, 40382503, 201912515]

約数ペア:

[(1, 201912515), (5, 40382503), (7, 28844645), (23, 8778805), (35, 5768929), (37, 5457095), (115, 1755761), (161, 1254115), (185, 1091419), (259, 779585), (805, 250823), (851, 237265), (1295, 155917), (4255, 47453), (5957, 33895), (6779, 29785)]