678556768

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{40237}}^1$

素因数の和:40295

約数の個数: 48

約数和(自身を含む): 1460156544

約数和(自身を除く): 781599776

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432, 16864, 40237, 80474, 160948, 321896, 643792, 684029, 1247347, 1287584, 1368058, 2494694, 2736116, 4989388, 5472232, 9978776, 10944464, 19957552, 21204899, 21888928, 39915104, 42409798, 84819596, 169639192, 339278384, 678556768]

約数ペア:

[(1, 678556768), (2, 339278384), (4, 169639192), (8, 84819596), (16, 42409798), (17, 39915104), (31, 21888928), (32, 21204899), (34, 19957552), (62, 10944464), (68, 9978776), (124, 5472232), (136, 4989388), (248, 2736116), (272, 2494694), (496, 1368058), (527, 1287584), (544, 1247347), (992, 684029), (1054, 643792), (2108, 321896), (4216, 160948), (8432, 80474), (16864, 40237)]