127793536

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 278888400

約数和(自身を除く): 151094864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 416, 488, 793, 832, 976, 1259, 1586, 1664, 1952, 2518, 3172, 3904, 5036, 6344, 7808, 10072, 12688, 16367, 20144, 25376, 32734, 40288, 50752, 65468, 76799, 80576, 101504, 130936, 153598, 161152, 261872, 307196, 523744, 614392, 998387, 1047488, 1228784, 1996774, 2094976, 2457568, 3993548, 4915136, 7987096, 9830272, 15974192, 31948384, 63896768, 127793536]

約数ペア:

[(1, 127793536), (2, 63896768), (4, 31948384), (8, 15974192), (13, 9830272), (16, 7987096), (26, 4915136), (32, 3993548), (52, 2457568), (61, 2094976), (64, 1996774), (104, 1228784), (122, 1047488), (128, 998387), (208, 614392), (244, 523744), (416, 307196), (488, 261872), (793, 161152), (832, 153598), (976, 130936), (1259, 101504), (1586, 80576), (1664, 76799), (1952, 65468), (2518, 50752), (3172, 40288), (3904, 32734), (5036, 25376), (6344, 20144), (7808, 16367), (10072, 12688)]