393728038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{6823}}^1$

素因数の和:6940

約数の個数: 32

約数和(自身を含む): 670171392

約数和(自身を除く): 276443354

約数列:

[1, 2, 11, 22, 43, 61, 86, 122, 473, 671, 946, 1342, 2623, 5246, 6823, 13646, 28853, 57706, 75053, 150106, 293389, 416203, 586778, 832406, 3227279, 4578233, 6454558, 9156466, 17896729, 35793458, 196864019, 393728038]

約数ペア:

[(1, 393728038), (2, 196864019), (11, 35793458), (22, 17896729), (43, 9156466), (61, 6454558), (86, 4578233), (122, 3227279), (473, 832406), (671, 586778), (946, 416203), (1342, 293389), (2623, 150106), (5246, 75053), (6823, 57706), (13646, 28853)]