81804416

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{10477}}^1$

素因数の和:10552

約数の個数: 32

約数和(自身を含む): 165657180

約数和(自身を除く): 83852764

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 10477, 20954, 41908, 83816, 167632, 335264, 639097, 670528, 1278194, 1341056, 2556388, 5112776, 10225552, 20451104, 40902208, 81804416]

約数ペア:

[(1, 81804416), (2, 40902208), (4, 20451104), (8, 10225552), (16, 5112776), (32, 2556388), (61, 1341056), (64, 1278194), (122, 670528), (128, 639097), (244, 335264), (488, 167632), (976, 83816), (1952, 41908), (3904, 20954), (7808, 10477)]