131789042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 256746240

約数和(自身を除く): 124957198

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 101, 154, 202, 229, 259, 407, 458, 518, 707, 814, 1111, 1414, 1603, 2222, 2519, 2849, 3206, 3737, 5038, 5698, 7474, 7777, 8473, 15554, 16946, 17633, 23129, 26159, 35266, 41107, 46258, 52318, 59311, 82214, 93203, 118622, 161903, 186406, 254419, 287749, 323806, 508838, 575498, 652421, 855773, 1304842, 1711546, 1780933, 3561866, 5990411, 9413503, 11980822, 18827006, 65894521, 131789042]

約数ペア:

[(1, 131789042), (2, 65894521), (7, 18827006), (11, 11980822), (14, 9413503), (22, 5990411), (37, 3561866), (74, 1780933), (77, 1711546), (101, 1304842), (154, 855773), (202, 652421), (229, 575498), (259, 508838), (407, 323806), (458, 287749), (518, 254419), (707, 186406), (814, 161903), (1111, 118622), (1414, 93203), (1603, 82214), (2222, 59311), (2519, 52318), (2849, 46258), (3206, 41107), (3737, 35266), (5038, 26159), (5698, 23129), (7474, 17633), (7777, 16946), (8473, 15554)]