213994359836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{4409}}^1\times {\mathrm{638629}}^1$

素因数の和:643061

約数の個数: 24

約数和(自身を含む): 394290162000

約数和(自身を除く): 180295802164

約数列:

[1, 2, 4, 19, 38, 76, 4409, 8818, 17636, 83771, 167542, 335084, 638629, 1277258, 2554516, 12133951, 24267902, 48535804, 2815715261, 5631430522, 11262861044, 53498589959, 106997179918, 213994359836]

約数ペア:

[(1, 213994359836), (2, 106997179918), (4, 53498589959), (19, 11262861044), (38, 5631430522), (76, 2815715261), (4409, 48535804), (8818, 24267902), (17636, 12133951), (83771, 2554516), (167542, 1277258), (335084, 638629)]