138719230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 269438400

約数和(自身を除く): 130719170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 809, 1319, 1618, 2638, 4045, 6595, 8090, 10517, 13190, 17147, 21034, 34294, 52585, 85735, 105170, 171470, 1067071, 2134142, 5335355, 10670710, 13871923, 27743846, 69359615, 138719230]

約数ペア:

[(1, 138719230), (2, 69359615), (5, 27743846), (10, 13871923), (13, 10670710), (26, 5335355), (65, 2134142), (130, 1067071), (809, 171470), (1319, 105170), (1618, 85735), (2638, 52585), (4045, 34294), (6595, 21034), (8090, 17147), (10517, 13190)]