2178889685

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{12379}}^1$

素因数の和:12545

約数の個数: 32

約数和(自身を含む): 3080540160

約数和(自身を除く): 901650475

約数列:

[1, 5, 7, 35, 47, 107, 235, 329, 535, 749, 1645, 3745, 5029, 12379, 25145, 35203, 61895, 86653, 176015, 433265, 581813, 1324553, 2909065, 4072691, 6622765, 9271871, 20363455, 46359355, 62253991, 311269955, 435777937, 2178889685]

約数ペア:

[(1, 2178889685), (5, 435777937), (7, 311269955), (35, 62253991), (47, 46359355), (107, 20363455), (235, 9271871), (329, 6622765), (535, 4072691), (749, 2909065), (1645, 1324553), (3745, 581813), (5029, 433265), (12379, 176015), (25145, 86653), (35203, 61895)]