2157769472

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21557}}^1$

素因数の和:21613

約数の個数: 72

約数和(自身を含む): 4758971616

約数和(自身を除く): 2601202144

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 256, 272, 368, 391, 544, 736, 782, 1088, 1472, 1564, 2176, 2944, 3128, 4352, 5888, 6256, 12512, 21557, 25024, 43114, 50048, 86228, 100096, 172456, 344912, 366469, 495811, 689824, 732938, 991622, 1379648, 1465876, 1983244, 2759296, 2931752, 3966488, 5518592, 5863504, 7932976, 8428787, 11727008, 15865952, 16857574, 23454016, 31731904, 33715148, 46908032, 63463808, 67430296, 93816064, 126927616, 134860592, 269721184, 539442368, 1078884736, 2157769472]

約数ペア:

[(1, 2157769472), (2, 1078884736), (4, 539442368), (8, 269721184), (16, 134860592), (17, 126927616), (23, 93816064), (32, 67430296), (34, 63463808), (46, 46908032), (64, 33715148), (68, 31731904), (92, 23454016), (128, 16857574), (136, 15865952), (184, 11727008), (256, 8428787), (272, 7932976), (368, 5863504), (391, 5518592), (544, 3966488), (736, 2931752), (782, 2759296), (1088, 1983244), (1472, 1465876), (1564, 1379648), (2176, 991622), (2944, 732938), (3128, 689824), (4352, 495811), (5888, 366469), (6256, 344912), (12512, 172456), (21557, 100096), (25024, 86228), (43114, 50048)]