390073754

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{4889}}^1$

素因数の和:5078

約数の個数: 32

約数和(自身を含む): 690076800

約数和(自身を除く): 300003046

約数列:

[1, 2, 7, 14, 41, 82, 139, 278, 287, 574, 973, 1946, 4889, 5699, 9778, 11398, 34223, 39893, 68446, 79786, 200449, 400898, 679571, 1359142, 1403143, 2806286, 4756997, 9513994, 27862411, 55724822, 195036877, 390073754]

約数ペア:

[(1, 390073754), (2, 195036877), (7, 55724822), (14, 27862411), (41, 9513994), (82, 4756997), (139, 2806286), (278, 1403143), (287, 1359142), (574, 679571), (973, 400898), (1946, 200449), (4889, 79786), (5699, 68446), (9778, 39893), (11398, 34223)]