251870464

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{127}}^2$

素因数の和:331

約数の個数: 54

約数和(自身を含む): 515054274

約数和(自身を除く): 263183810

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 127, 128, 244, 254, 256, 488, 508, 976, 1016, 1952, 2032, 3904, 4064, 7747, 7808, 8128, 15494, 15616, 16129, 16256, 30988, 32258, 32512, 61976, 64516, 123952, 129032, 247904, 258064, 495808, 516128, 983869, 991616, 1032256, 1967738, 1983232, 2064512, 3935476, 4129024, 7870952, 15741904, 31483808, 62967616, 125935232, 251870464]

約数ペア:

[(1, 251870464), (2, 125935232), (4, 62967616), (8, 31483808), (16, 15741904), (32, 7870952), (61, 4129024), (64, 3935476), (122, 2064512), (127, 1983232), (128, 1967738), (244, 1032256), (254, 991616), (256, 983869), (488, 516128), (508, 495808), (976, 258064), (1016, 247904), (1952, 129032), (2032, 123952), (3904, 64516), (4064, 61976), (7747, 32512), (7808, 32258), (8128, 30988), (15494, 16256), (15616, 16129)]