221513536

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2891

約数の個数: 56

約数和(自身を含む): 471967560

約数和(自身を除く): 250454024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 1088, 1168, 1241, 2336, 2482, 2789, 4672, 4964, 5578, 9928, 11156, 19856, 22312, 39712, 44624, 47413, 79424, 89248, 94826, 178496, 189652, 203597, 379304, 407194, 758608, 814388, 1517216, 1628776, 3034432, 3257552, 3461149, 6515104, 6922298, 13030208, 13844596, 27689192, 55378384, 110756768, 221513536]

約数ペア:

[(1, 221513536), (2, 110756768), (4, 55378384), (8, 27689192), (16, 13844596), (17, 13030208), (32, 6922298), (34, 6515104), (64, 3461149), (68, 3257552), (73, 3034432), (136, 1628776), (146, 1517216), (272, 814388), (292, 758608), (544, 407194), (584, 379304), (1088, 203597), (1168, 189652), (1241, 178496), (2336, 94826), (2482, 89248), (2789, 79424), (4672, 47413), (4964, 44624), (5578, 39712), (9928, 22312), (11156, 19856)]