16511690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 32250960

約数和(自身を除く): 15739270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 809, 1570, 1618, 2041, 4045, 4082, 8090, 10205, 10517, 20410, 21034, 52585, 105170, 127013, 254026, 635065, 1270130, 1651169, 3302338, 8255845, 16511690]

約数ペア:

[(1, 16511690), (2, 8255845), (5, 3302338), (10, 1651169), (13, 1270130), (26, 635065), (65, 254026), (130, 127013), (157, 105170), (314, 52585), (785, 21034), (809, 20410), (1570, 10517), (1618, 10205), (2041, 8090), (4045, 4082)]