68555968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 160532064

約数和(自身を除く): 91976096

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 37, 52, 64, 68, 74, 104, 131, 136, 148, 208, 221, 262, 272, 296, 416, 442, 481, 524, 544, 592, 629, 832, 884, 962, 1048, 1088, 1184, 1258, 1703, 1768, 1924, 2096, 2227, 2368, 2516, 3406, 3536, 3848, 4192, 4454, 4847, 5032, 6812, 7072, 7696, 8177, 8384, 8908, 9694, 10064, 13624, 14144, 15392, 16354, 17816, 19388, 20128, 27248, 28951, 30784, 32708, 35632, 38776, 40256, 54496, 57902, 63011, 65416, 71264, 77552, 82399, 108992, 115804, 126022, 130832, 142528, 155104, 164798, 231608, 252044, 261664, 310208, 329596, 463216, 504088, 523328, 659192, 926432, 1008176, 1071187, 1318384, 1852864, 2016352, 2142374, 2636768, 4032704, 4284748, 5273536, 8569496, 17138992, 34277984, 68555968]

約数ペア:

[(1, 68555968), (2, 34277984), (4, 17138992), (8, 8569496), (13, 5273536), (16, 4284748), (17, 4032704), (26, 2636768), (32, 2142374), (34, 2016352), (37, 1852864), (52, 1318384), (64, 1071187), (68, 1008176), (74, 926432), (104, 659192), (131, 523328), (136, 504088), (148, 463216), (208, 329596), (221, 310208), (262, 261664), (272, 252044), (296, 231608), (416, 164798), (442, 155104), (481, 142528), (524, 130832), (544, 126022), (592, 115804), (629, 108992), (832, 82399), (884, 77552), (962, 71264), (1048, 65416), (1088, 63011), (1184, 57902), (1258, 54496), (1703, 40256), (1768, 38776), (1924, 35632), (2096, 32708), (2227, 30784), (2368, 28951), (2516, 27248), (3406, 20128), (3536, 19388), (3848, 17816), (4192, 16354), (4454, 15392), (4847, 14144), (5032, 13624), (6812, 10064), (7072, 9694), (7696, 8908), (8177, 8384)]