81937730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{50893}}^1$

素因数の和:50930

約数の個数: 32

約数和(自身を含む): 175889664

約数和(自身を除く): 93951934

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 50893, 101786, 254465, 356251, 508930, 712502, 1170539, 1781255, 2341078, 3562510, 5852695, 8193773, 11705390, 16387546, 40968865, 81937730]

約数ペア:

[(1, 81937730), (2, 40968865), (5, 16387546), (7, 11705390), (10, 8193773), (14, 5852695), (23, 3562510), (35, 2341078), (46, 1781255), (70, 1170539), (115, 712502), (161, 508930), (230, 356251), (322, 254465), (805, 101786), (1610, 50893)]