397999784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32159}}^1$

素因数の和:32202

約数の個数: 64

約数和(自身を含む): 972518400

約数和(自身を除く): 574518616

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 32159, 64318, 128636, 225113, 257272, 418067, 450226, 546703, 836134, 900452, 1093406, 1672268, 1800904, 2186812, 2926469, 3344536, 3826921, 4373624, 5852938, 7107139, 7653842, 11705876, 14214278, 15307684, 23411752, 28428556, 30615368, 49749973, 56857112, 99499946, 198999892, 397999784]

約数ペア:

[(1, 397999784), (2, 198999892), (4, 99499946), (7, 56857112), (8, 49749973), (13, 30615368), (14, 28428556), (17, 23411752), (26, 15307684), (28, 14214278), (34, 11705876), (52, 7653842), (56, 7107139), (68, 5852938), (91, 4373624), (104, 3826921), (119, 3344536), (136, 2926469), (182, 2186812), (221, 1800904), (238, 1672268), (364, 1093406), (442, 900452), (476, 836134), (728, 546703), (884, 450226), (952, 418067), (1547, 257272), (1768, 225113), (3094, 128636), (6188, 64318), (12376, 32159)]