128074408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 300931200

約数和(自身を除く): 172856792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 257, 308, 514, 616, 809, 1028, 1618, 1799, 2056, 2827, 3236, 3598, 5654, 5663, 6472, 7196, 8899, 11308, 11326, 14392, 17798, 19789, 22616, 22652, 35596, 39578, 45304, 62293, 71192, 79156, 124586, 158312, 207913, 249172, 415826, 498344, 831652, 1455391, 1663304, 2287043, 2910782, 4574086, 5821564, 9148172, 11643128, 16009301, 18296344, 32018602, 64037204, 128074408]

約数ペア:

[(1, 128074408), (2, 64037204), (4, 32018602), (7, 18296344), (8, 16009301), (11, 11643128), (14, 9148172), (22, 5821564), (28, 4574086), (44, 2910782), (56, 2287043), (77, 1663304), (88, 1455391), (154, 831652), (257, 498344), (308, 415826), (514, 249172), (616, 207913), (809, 158312), (1028, 124586), (1618, 79156), (1799, 71192), (2056, 62293), (2827, 45304), (3236, 39578), (3598, 35596), (5654, 22652), (5663, 22616), (6472, 19789), (7196, 17798), (8899, 14392), (11308, 11326)]