7731458

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 13910400

約数和(自身を除く): 6178942

約数列:

[1, 2, 7, 14, 29, 58, 137, 139, 203, 274, 278, 406, 959, 973, 1918, 1946, 3973, 4031, 7946, 8062, 19043, 27811, 28217, 38086, 55622, 56434, 133301, 266602, 552247, 1104494, 3865729, 7731458]

約数ペア:

[(1, 7731458), (2, 3865729), (7, 1104494), (14, 552247), (29, 266602), (58, 133301), (137, 56434), (139, 55622), (203, 38086), (274, 28217), (278, 27811), (406, 19043), (959, 8062), (973, 7946), (1918, 4031), (1946, 3973)]