87991952

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 173988864

約数和(自身を除く): 85996912

約数列:

[1, 2, 4, 8, 16, 83, 166, 173, 332, 346, 383, 664, 692, 766, 1328, 1384, 1532, 2768, 3064, 6128, 14359, 28718, 31789, 57436, 63578, 66259, 114872, 127156, 132518, 229744, 254312, 265036, 508624, 530072, 1060144, 5499497, 10998994, 21997988, 43995976, 87991952]

約数ペア:

[(1, 87991952), (2, 43995976), (4, 21997988), (8, 10998994), (16, 5499497), (83, 1060144), (166, 530072), (173, 508624), (332, 265036), (346, 254312), (383, 229744), (664, 132518), (692, 127156), (766, 114872), (1328, 66259), (1384, 63578), (1532, 57436), (2768, 31789), (3064, 28718), (6128, 14359)]