77321984

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 165931920

約数和(自身を除く): 88609936

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 163, 218, 256, 272, 326, 436, 544, 652, 872, 1088, 1304, 1744, 1853, 2176, 2608, 2771, 3488, 3706, 4352, 5216, 5542, 6976, 7412, 10432, 11084, 13952, 14824, 17767, 20864, 22168, 27904, 29648, 35534, 41728, 44336, 59296, 71068, 88672, 118592, 142136, 177344, 237184, 284272, 302039, 354688, 474368, 568544, 604078, 709376, 1137088, 1208156, 2274176, 2416312, 4548352, 4832624, 9665248, 19330496, 38660992, 77321984]

約数ペア:

[(1, 77321984), (2, 38660992), (4, 19330496), (8, 9665248), (16, 4832624), (17, 4548352), (32, 2416312), (34, 2274176), (64, 1208156), (68, 1137088), (109, 709376), (128, 604078), (136, 568544), (163, 474368), (218, 354688), (256, 302039), (272, 284272), (326, 237184), (436, 177344), (544, 142136), (652, 118592), (872, 88672), (1088, 71068), (1304, 59296), (1744, 44336), (1853, 41728), (2176, 35534), (2608, 29648), (2771, 27904), (3488, 22168), (3706, 20864), (4352, 17767), (5216, 14824), (5542, 13952), (6976, 11084), (7412, 10432)]