256928

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 612864

約数和(自身を除く): 355936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 74, 112, 124, 148, 217, 224, 248, 259, 296, 434, 496, 518, 592, 868, 992, 1036, 1147, 1184, 1736, 2072, 2294, 3472, 4144, 4588, 6944, 8029, 8288, 9176, 16058, 18352, 32116, 36704, 64232, 128464, 256928]

約数ペア:

[(1, 256928), (2, 128464), (4, 64232), (7, 36704), (8, 32116), (14, 18352), (16, 16058), (28, 9176), (31, 8288), (32, 8029), (37, 6944), (56, 4588), (62, 4144), (74, 3472), (112, 2294), (124, 2072), (148, 1736), (217, 1184), (224, 1147), (248, 1036), (259, 992), (296, 868), (434, 592), (496, 518)]