164608256

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 340644864

約数和(自身を除く): 176036608

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 83, 122, 127, 128, 166, 244, 254, 256, 332, 488, 508, 664, 976, 1016, 1328, 1952, 2032, 2656, 3904, 4064, 5063, 5312, 7747, 7808, 8128, 10126, 10541, 10624, 15494, 15616, 16256, 20252, 21082, 21248, 30988, 32512, 40504, 42164, 61976, 81008, 84328, 123952, 162016, 168656, 247904, 324032, 337312, 495808, 643001, 648064, 674624, 991616, 1286002, 1296128, 1349248, 1983232, 2572004, 2698496, 5144008, 10288016, 20576032, 41152064, 82304128, 164608256]

約数ペア:

[(1, 164608256), (2, 82304128), (4, 41152064), (8, 20576032), (16, 10288016), (32, 5144008), (61, 2698496), (64, 2572004), (83, 1983232), (122, 1349248), (127, 1296128), (128, 1286002), (166, 991616), (244, 674624), (254, 648064), (256, 643001), (332, 495808), (488, 337312), (508, 324032), (664, 247904), (976, 168656), (1016, 162016), (1328, 123952), (1952, 84328), (2032, 81008), (2656, 61976), (3904, 42164), (4064, 40504), (5063, 32512), (5312, 30988), (7747, 21248), (7808, 21082), (8128, 20252), (10126, 16256), (10541, 15616), (10624, 15494)]