128344715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 170726400

約数和(自身を除く): 42381685

約数列:

[1, 5, 19, 23, 95, 115, 151, 389, 437, 755, 1945, 2185, 2869, 3473, 7391, 8947, 14345, 17365, 36955, 44735, 58739, 65987, 169993, 293695, 329935, 849965, 1116041, 1350997, 5580205, 6754985, 25668943, 128344715]

約数ペア:

[(1, 128344715), (5, 25668943), (19, 6754985), (23, 5580205), (95, 1350997), (115, 1116041), (151, 849965), (389, 329935), (437, 293695), (755, 169993), (1945, 65987), (2185, 58739), (2869, 44735), (3473, 36955), (7391, 17365), (8947, 14345)]