1286202112

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20341}}^1$

素因数の和:20389

約数の個数: 72

約数和(自身を含む): 2910533360

約数和(自身を除く): 1624331248

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 7904, 15808, 20341, 31616, 40682, 63232, 81364, 162728, 264433, 325456, 386479, 528866, 650912, 772958, 1057732, 1301824, 1545916, 2115464, 2603648, 3091832, 4230928, 5024227, 5207296, 6183664, 8461856, 10048454, 12367328, 16923712, 20096908, 24734656, 33847424, 40193816, 49469312, 67694848, 80387632, 98938624, 160775264, 321550528, 643101056, 1286202112]

約数ペア:

[(1, 1286202112), (2, 643101056), (4, 321550528), (8, 160775264), (13, 98938624), (16, 80387632), (19, 67694848), (26, 49469312), (32, 40193816), (38, 33847424), (52, 24734656), (64, 20096908), (76, 16923712), (104, 12367328), (128, 10048454), (152, 8461856), (208, 6183664), (247, 5207296), (256, 5024227), (304, 4230928), (416, 3091832), (494, 2603648), (608, 2115464), (832, 1545916), (988, 1301824), (1216, 1057732), (1664, 772958), (1976, 650912), (2432, 528866), (3328, 386479), (3952, 325456), (4864, 264433), (7904, 162728), (15808, 81364), (20341, 63232), (31616, 40682)]