821663856

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25819}}^1$

素因数の和:25863

約数の個数: 120

約数和(自身を含む): 2622175920

約数和(自身を除く): 1800512064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 816, 884, 936, 1224, 1326, 1768, 1872, 1989, 2448, 2652, 3536, 3978, 5304, 7956, 10608, 15912, 25819, 31824, 51638, 77457, 103276, 154914, 206552, 232371, 309828, 335647, 413104, 438923, 464742, 619656, 671294, 877846, 929484, 1006941, 1239312, 1316769, 1342588, 1755692, 1858968, 2013882, 2633538, 2685176, 3020823, 3511384, 3717936, 3950307, 4027764, 5267076, 5370352, 5705999, 6041646, 7022768, 7900614, 8055528, 10534152, 11411998, 12083292, 15801228, 16111056, 17117997, 21068304, 22823996, 24166584, 31602456, 34235994, 45647992, 48333168, 51353991, 63204912, 68471988, 91295984, 102707982, 136943976, 205415964, 273887952, 410831928, 821663856]

約数ペア:

[(1, 821663856), (2, 410831928), (3, 273887952), (4, 205415964), (6, 136943976), (8, 102707982), (9, 91295984), (12, 68471988), (13, 63204912), (16, 51353991), (17, 48333168), (18, 45647992), (24, 34235994), (26, 31602456), (34, 24166584), (36, 22823996), (39, 21068304), (48, 17117997), (51, 16111056), (52, 15801228), (68, 12083292), (72, 11411998), (78, 10534152), (102, 8055528), (104, 7900614), (117, 7022768), (136, 6041646), (144, 5705999), (153, 5370352), (156, 5267076), (204, 4027764), (208, 3950307), (221, 3717936), (234, 3511384), (272, 3020823), (306, 2685176), (312, 2633538), (408, 2013882), (442, 1858968), (468, 1755692), (612, 1342588), (624, 1316769), (663, 1239312), (816, 1006941), (884, 929484), (936, 877846), (1224, 671294), (1326, 619656), (1768, 464742), (1872, 438923), (1989, 413104), (2448, 335647), (2652, 309828), (3536, 232371), (3978, 206552), (5304, 154914), (7956, 103276), (10608, 77457), (15912, 51638), (25819, 31824)]