128593990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{11701}}^1$

素因数の和:11872

約数の個数: 32

約数和(自身を含む): 266243904

約数和(自身を除く): 137649914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 11701, 23402, 58505, 81907, 117010, 163814, 409535, 819070, 1837057, 3674114, 9185285, 12859399, 18370570, 25718798, 64296995, 128593990]

約数ペア:

[(1, 128593990), (2, 64296995), (5, 25718798), (7, 18370570), (10, 12859399), (14, 9185285), (35, 3674114), (70, 1837057), (157, 819070), (314, 409535), (785, 163814), (1099, 117010), (1570, 81907), (2198, 58505), (5495, 23402), (10990, 11701)]