642638384

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{7649}}^1$

素因数の和:7805

約数の個数: 40

約数和(自身を含む): 1280610000

約数和(自身を除く): 637971616

約数列:

[1, 2, 4, 8, 16, 59, 89, 118, 178, 236, 356, 472, 712, 944, 1424, 5251, 7649, 10502, 15298, 21004, 30596, 42008, 61192, 84016, 122384, 451291, 680761, 902582, 1361522, 1805164, 2723044, 3610328, 5446088, 7220656, 10892176, 40164899, 80329798, 160659596, 321319192, 642638384]

約数ペア:

[(1, 642638384), (2, 321319192), (4, 160659596), (8, 80329798), (16, 40164899), (59, 10892176), (89, 7220656), (118, 5446088), (178, 3610328), (236, 2723044), (356, 1805164), (472, 1361522), (712, 902582), (944, 680761), (1424, 451291), (5251, 122384), (7649, 84016), (10502, 61192), (15298, 42008), (21004, 30596)]