317987584

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 694044288

約数和(自身を除く): 376056704

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 2357, 3968, 4216, 4352, 4714, 7936, 8432, 9428, 16864, 18856, 33728, 37712, 40069, 67456, 73067, 75424, 80138, 134912, 146134, 150848, 160276, 292268, 301696, 320552, 584536, 603392, 641104, 1169072, 1242139, 1282208, 2338144, 2484278, 2564416, 4676288, 4968556, 5128832, 9352576, 9937112, 10257664, 18705152, 19874224, 39748448, 79496896, 158993792, 317987584]

約数ペア:

[(1, 317987584), (2, 158993792), (4, 79496896), (8, 39748448), (16, 19874224), (17, 18705152), (31, 10257664), (32, 9937112), (34, 9352576), (62, 5128832), (64, 4968556), (68, 4676288), (124, 2564416), (128, 2484278), (136, 2338144), (248, 1282208), (256, 1242139), (272, 1169072), (496, 641104), (527, 603392), (544, 584536), (992, 320552), (1054, 301696), (1088, 292268), (1984, 160276), (2108, 150848), (2176, 146134), (2357, 134912), (3968, 80138), (4216, 75424), (4352, 73067), (4714, 67456), (7936, 40069), (8432, 37712), (9428, 33728), (16864, 18856)]