129458944

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 276823008

約数和(自身を除く): 147364064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 151, 197, 256, 272, 302, 394, 544, 604, 788, 1088, 1208, 1576, 2176, 2416, 2567, 3152, 3349, 4352, 4832, 5134, 6304, 6698, 9664, 10268, 12608, 13396, 19328, 20536, 25216, 26792, 29747, 38656, 41072, 50432, 53584, 59494, 82144, 107168, 118988, 164288, 214336, 237976, 328576, 428672, 475952, 505699, 657152, 857344, 951904, 1011398, 1903808, 2022796, 3807616, 4045592, 7615232, 8091184, 16182368, 32364736, 64729472, 129458944]

約数ペア:

[(1, 129458944), (2, 64729472), (4, 32364736), (8, 16182368), (16, 8091184), (17, 7615232), (32, 4045592), (34, 3807616), (64, 2022796), (68, 1903808), (128, 1011398), (136, 951904), (151, 857344), (197, 657152), (256, 505699), (272, 475952), (302, 428672), (394, 328576), (544, 237976), (604, 214336), (788, 164288), (1088, 118988), (1208, 107168), (1576, 82144), (2176, 59494), (2416, 53584), (2567, 50432), (3152, 41072), (3349, 38656), (4352, 29747), (4832, 26792), (5134, 25216), (6304, 20536), (6698, 19328), (9664, 13396), (10268, 12608)]