2647263664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{61991}}^1$

素因数の和:62173

約数の個数: 40

約数和(自身を含む): 5465462688

約数和(自身を除く): 2818199024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 157, 272, 314, 628, 1256, 2512, 2669, 5338, 10676, 21352, 42704, 61991, 123982, 247964, 495928, 991856, 1053847, 2107694, 4215388, 8430776, 9732587, 16861552, 19465174, 38930348, 77860696, 155721392, 165453979, 330907958, 661815916, 1323631832, 2647263664]

約数ペア:

[(1, 2647263664), (2, 1323631832), (4, 661815916), (8, 330907958), (16, 165453979), (17, 155721392), (34, 77860696), (68, 38930348), (136, 19465174), (157, 16861552), (272, 9732587), (314, 8430776), (628, 4215388), (1256, 2107694), (2512, 1053847), (2669, 991856), (5338, 495928), (10676, 247964), (21352, 123982), (42704, 61991)]