1640900638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{6709}}^1$

素因数の和:7156

約数の個数: 32

約数和(自身を含む): 2773108800

約数和(自身を除く): 1132208162

約数列:

[1, 2, 13, 23, 26, 46, 299, 409, 598, 818, 5317, 6709, 9407, 10634, 13418, 18814, 87217, 122291, 154307, 174434, 244582, 308614, 2005991, 2743981, 4011982, 5487962, 35671753, 63111563, 71343506, 126223126, 820450319, 1640900638]

約数ペア:

[(1, 1640900638), (2, 820450319), (13, 126223126), (23, 71343506), (26, 63111563), (46, 35671753), (299, 5487962), (409, 4011982), (598, 2743981), (818, 2005991), (5317, 308614), (6709, 244582), (9407, 174434), (10634, 154307), (13418, 122291), (18814, 87217)]