1261185664

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{6983}}^1$

素因数の和:7097

約数の個数: 64

約数和(自身を含む): 2692751040

約数和(自身を除く): 1431565376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 128, 136, 166, 272, 332, 544, 664, 1088, 1328, 1411, 2176, 2656, 2822, 5312, 5644, 6983, 10624, 11288, 13966, 22576, 27932, 45152, 55864, 90304, 111728, 118711, 180608, 223456, 237422, 446912, 474844, 579589, 893824, 949688, 1159178, 1899376, 2318356, 3798752, 4636712, 7597504, 9273424, 9853013, 15195008, 18546848, 19706026, 37093696, 39412052, 74187392, 78824104, 157648208, 315296416, 630592832, 1261185664]

約数ペア:

[(1, 1261185664), (2, 630592832), (4, 315296416), (8, 157648208), (16, 78824104), (17, 74187392), (32, 39412052), (34, 37093696), (64, 19706026), (68, 18546848), (83, 15195008), (128, 9853013), (136, 9273424), (166, 7597504), (272, 4636712), (332, 3798752), (544, 2318356), (664, 1899376), (1088, 1159178), (1328, 949688), (1411, 893824), (2176, 579589), (2656, 474844), (2822, 446912), (5312, 237422), (5644, 223456), (6983, 180608), (10624, 118711), (11288, 111728), (13966, 90304), (22576, 55864), (27932, 45152)]