990911168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{1699}}^1$

素因数の和:2425

約数の個数: 56

約数和(自身を含む): 2121865200

約数和(自身を除く): 1130954032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 701, 832, 1402, 1699, 2804, 3398, 5608, 6796, 9113, 11216, 13592, 18226, 22087, 22432, 27184, 36452, 44174, 44864, 54368, 72904, 88348, 108736, 145808, 176696, 291616, 353392, 583232, 706784, 1190999, 1413568, 2381998, 4763996, 9527992, 15482987, 19055984, 30965974, 38111968, 61931948, 76223936, 123863896, 247727792, 495455584, 990911168]

約数ペア:

[(1, 990911168), (2, 495455584), (4, 247727792), (8, 123863896), (13, 76223936), (16, 61931948), (26, 38111968), (32, 30965974), (52, 19055984), (64, 15482987), (104, 9527992), (208, 4763996), (416, 2381998), (701, 1413568), (832, 1190999), (1402, 706784), (1699, 583232), (2804, 353392), (3398, 291616), (5608, 176696), (6796, 145808), (9113, 108736), (11216, 88348), (13592, 72904), (18226, 54368), (22087, 44864), (22432, 44174), (27184, 36452)]