2148886090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{718691}}^1$

素因数の和:718734

約数の個数: 32

約数和(自身を含む): 4346649216

約数和(自身を除く): 2197763126

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 718691, 1437382, 3593455, 7186910, 9342983, 16529893, 18685966, 33059786, 46714915, 82649465, 93429830, 165298930, 214888609, 429777218, 1074443045, 2148886090]

約数ペア:

[(1, 2148886090), (2, 1074443045), (5, 429777218), (10, 214888609), (13, 165298930), (23, 93429830), (26, 82649465), (46, 46714915), (65, 33059786), (115, 18685966), (130, 16529893), (230, 9342983), (299, 7186910), (598, 3593455), (1495, 1437382), (2990, 718691)]