81274088

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 184032000

約数和(自身を除く): 102757912

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 89, 92, 161, 178, 184, 322, 356, 623, 644, 709, 712, 1246, 1288, 1418, 2047, 2492, 2836, 4094, 4963, 4984, 5672, 8188, 9926, 14329, 16307, 16376, 19852, 28658, 32614, 39704, 57316, 63101, 65228, 114149, 114632, 126202, 130456, 228298, 252404, 441707, 456596, 504808, 883414, 913192, 1451323, 1766828, 2902646, 3533656, 5805292, 10159261, 11610584, 20318522, 40637044, 81274088]

約数ペア:

[(1, 81274088), (2, 40637044), (4, 20318522), (7, 11610584), (8, 10159261), (14, 5805292), (23, 3533656), (28, 2902646), (46, 1766828), (56, 1451323), (89, 913192), (92, 883414), (161, 504808), (178, 456596), (184, 441707), (322, 252404), (356, 228298), (623, 130456), (644, 126202), (709, 114632), (712, 114149), (1246, 65228), (1288, 63101), (1418, 57316), (2047, 39704), (2492, 32614), (2836, 28658), (4094, 19852), (4963, 16376), (4984, 16307), (5672, 14329), (8188, 9926)]