1279311904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7669}}^1$

素因数の和:8093

約数の個数: 48

約数和(自身を含む): 2719505880

約数和(自身を除く): 1440193976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 401, 416, 802, 1604, 3208, 5213, 6416, 7669, 10426, 12832, 15338, 20852, 30676, 41704, 61352, 83408, 99697, 122704, 166816, 199394, 245408, 398788, 797576, 1595152, 3075269, 3190304, 6150538, 12301076, 24602152, 39978497, 49204304, 79956994, 98408608, 159913988, 319827976, 639655952, 1279311904]

約数ペア:

[(1, 1279311904), (2, 639655952), (4, 319827976), (8, 159913988), (13, 98408608), (16, 79956994), (26, 49204304), (32, 39978497), (52, 24602152), (104, 12301076), (208, 6150538), (401, 3190304), (416, 3075269), (802, 1595152), (1604, 797576), (3208, 398788), (5213, 245408), (6416, 199394), (7669, 166816), (10426, 122704), (12832, 99697), (15338, 83408), (20852, 61352), (30676, 41704)]