389680892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 723945600

約数和(自身を除く): 334264708

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 149, 164, 298, 431, 596, 862, 1517, 1724, 3034, 5513, 6068, 6109, 11026, 12218, 15947, 17671, 22052, 24436, 31894, 35342, 63788, 64219, 70684, 128438, 226033, 256876, 452066, 653827, 904132, 1307654, 2376103, 2615308, 2632979, 4752206, 5265958, 9504412, 10531916, 97420223, 194840446, 389680892]

約数ペア:

[(1, 389680892), (2, 194840446), (4, 97420223), (37, 10531916), (41, 9504412), (74, 5265958), (82, 4752206), (148, 2632979), (149, 2615308), (164, 2376103), (298, 1307654), (431, 904132), (596, 653827), (862, 452066), (1517, 256876), (1724, 226033), (3034, 128438), (5513, 70684), (6068, 64219), (6109, 63788), (11026, 35342), (12218, 31894), (15947, 24436), (17671, 22052)]