1651163764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 3087000000

約数和(自身を除く): 1435836236

約数列:

[1, 2, 4, 19, 38, 76, 139, 149, 278, 298, 556, 596, 1049, 2098, 2641, 2831, 4196, 5282, 5662, 10564, 11324, 19931, 20711, 39862, 41422, 79724, 82844, 145811, 156301, 291622, 312602, 393509, 583244, 625204, 787018, 1574036, 2770409, 2969719, 5540818, 5939438, 11081636, 11878876, 21725839, 43451678, 86903356, 412790941, 825581882, 1651163764]

約数ペア:

[(1, 1651163764), (2, 825581882), (4, 412790941), (19, 86903356), (38, 43451678), (76, 21725839), (139, 11878876), (149, 11081636), (278, 5939438), (298, 5540818), (556, 2969719), (596, 2770409), (1049, 1574036), (2098, 787018), (2641, 625204), (2831, 583244), (4196, 393509), (5282, 312602), (5662, 291622), (10564, 156301), (11324, 145811), (19931, 82844), (20711, 79724), (39862, 41422)]