1279103488

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{192173}}^1$

素因数の和:192204

約数の個数: 40

約数和(自身を含む): 2752316028

約数和(自身を除く): 1473212540

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 192173, 384346, 768692, 1537384, 2498249, 3074768, 4996498, 6149536, 9992996, 12299072, 19985992, 24598144, 39971984, 49196288, 79943968, 98392576, 159887936, 319775872, 639551744, 1279103488]

約数ペア:

[(1, 1279103488), (2, 639551744), (4, 319775872), (8, 159887936), (13, 98392576), (16, 79943968), (26, 49196288), (32, 39971984), (52, 24598144), (64, 19985992), (104, 12299072), (128, 9992996), (208, 6149536), (256, 4996498), (416, 3074768), (512, 2498249), (832, 1537384), (1664, 768692), (3328, 384346), (6656, 192173)]